From 7961ebcdb96c7ac277da3c064e5f3345080ef1fc Mon Sep 17 00:00:00 2001
From: Patrick Shriwise <pshriwise@gmail.com>
Date: Tue, 27 Apr 2021 23:59:20 -0500
Subject: [PATCH] Simplifying test cases based on @paulromano's recommendation.

---
 .../input_dat_-10_-5_0.dat                    |  60 ---
 .../input_dat_-10_0_-5.dat                    |  60 ---
 .../input_dat_-5_-10_0.dat                    |  60 ---
 .../input_dat_-5_0_-10.dat                    |  60 ---
 .../input_dat_0_-10_-5.dat                    |  60 ---
 .../input_dat_0_-5_-10.dat                    |  60 ---
 .../filter_translations/input_dat_0_10_5.dat  |  60 ---
 .../filter_translations/input_dat_0_5_10.dat  |  60 ---
 .../filter_translations/input_dat_10_0_5.dat  |  60 ---
 .../filter_translations/input_dat_5_0_10.dat  |  60 ---
 .../filter_translations/input_dat_5_10_0.dat  |  60 ---
 .../{input_dat_10_5_0.dat => inputs_true.dat} |  40 +-
 .../filter_translations/results_true.dat      | 343 +++++++++++++++++-
 .../filter_translations/test.py               |  62 +++-
 14 files changed, 416 insertions(+), 689 deletions(-)
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_-10_-5_0.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_-10_0_-5.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_-5_-10_0.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_-5_0_-10.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_0_-10_-5.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_0_-5_-10.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_0_10_5.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_0_5_10.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_10_0_5.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_5_0_10.dat
 delete mode 100644 tests/regression_tests/filter_translations/input_dat_5_10_0.dat
 rename tests/regression_tests/filter_translations/{input_dat_10_5_0.dat => inputs_true.dat} (66%)

diff --git a/tests/regression_tests/filter_translations/input_dat_-10_-5_0.dat b/tests/regression_tests/filter_translations/input_dat_-10_-5_0.dat
deleted file mode 100644
index ed062f2aa9..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_-10_-5_0.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="13" material="13" region="61 -62 63 -64 70 -69" universe="7" />
-  <cell id="14" material="14" region="~(61 -62 63 -64) (65 -66 67 -68) 70 -69" universe="7" />
-  <surface coeffs="-5.0" id="61" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="62" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="63" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="64" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="65" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="66" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="67" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="68" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="69" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="70" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="13">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="14">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="13">
-    <dimension>9 9 9</dimension>
-    <lower_left>1 -4 -9</lower_left>
-    <upper_right>19 14 9</upper_right>
-  </mesh>
-  <mesh id="14" type="rectilinear">
-    <x_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</x_grid>
-    <y_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</y_grid>
-    <z_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</z_grid>
-  </mesh>
-  <filter id="13" translation="-10 -5 0" type="mesh">
-    <bins>13</bins>
-  </filter>
-  <filter id="14" translation="-10 -5 0" type="mesh">
-    <bins>14</bins>
-  </filter>
-  <tally id="13">
-    <filters>13</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="14">
-    <filters>14</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_-10_0_-5.dat b/tests/regression_tests/filter_translations/input_dat_-10_0_-5.dat
deleted file mode 100644
index e9a1119bb1..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_-10_0_-5.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="15" material="15" region="71 -72 73 -74 80 -79" universe="8" />
-  <cell id="16" material="16" region="~(71 -72 73 -74) (75 -76 77 -78) 80 -79" universe="8" />
-  <surface coeffs="-5.0" id="71" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="72" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="73" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="74" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="75" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="76" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="77" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="78" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="79" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="80" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="15">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="16">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="15">
-    <dimension>9 9 9</dimension>
-    <lower_left>1 -9 -4</lower_left>
-    <upper_right>19 9 14</upper_right>
-  </mesh>
-  <mesh id="16" type="rectilinear">
-    <x_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</x_grid>
-    <y_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</y_grid>
-    <z_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</z_grid>
-  </mesh>
-  <filter id="15" translation="-10 0 -5" type="mesh">
-    <bins>15</bins>
-  </filter>
-  <filter id="16" translation="-10 0 -5" type="mesh">
-    <bins>16</bins>
-  </filter>
-  <tally id="15">
-    <filters>15</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="16">
-    <filters>16</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_-5_-10_0.dat b/tests/regression_tests/filter_translations/input_dat_-5_-10_0.dat
deleted file mode 100644
index 88ae5c4346..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_-5_-10_0.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="17" material="17" region="81 -82 83 -84 90 -89" universe="9" />
-  <cell id="18" material="18" region="~(81 -82 83 -84) (85 -86 87 -88) 90 -89" universe="9" />
-  <surface coeffs="-5.0" id="81" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="82" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="83" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="84" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="85" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="86" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="87" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="88" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="89" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="90" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="17">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="18">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="17">
-    <dimension>9 9 9</dimension>
-    <lower_left>-4 1 -9</lower_left>
-    <upper_right>14 19 9</upper_right>
-  </mesh>
-  <mesh id="18" type="rectilinear">
-    <x_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</x_grid>
-    <y_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</y_grid>
-    <z_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</z_grid>
-  </mesh>
-  <filter id="17" translation="-5 -10 0" type="mesh">
-    <bins>17</bins>
-  </filter>
-  <filter id="18" translation="-5 -10 0" type="mesh">
-    <bins>18</bins>
-  </filter>
-  <tally id="17">
-    <filters>17</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="18">
-    <filters>18</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_-5_0_-10.dat b/tests/regression_tests/filter_translations/input_dat_-5_0_-10.dat
deleted file mode 100644
index d523149d0f..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_-5_0_-10.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="19" material="19" region="91 -92 93 -94 100 -99" universe="10" />
-  <cell id="20" material="20" region="~(91 -92 93 -94) (95 -96 97 -98) 100 -99" universe="10" />
-  <surface coeffs="-5.0" id="91" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="92" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="93" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="94" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="95" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="96" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="97" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="98" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="99" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="100" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="19">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="20">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="19">
-    <dimension>9 9 9</dimension>
-    <lower_left>-4 -9 1</lower_left>
-    <upper_right>14 9 19</upper_right>
-  </mesh>
-  <mesh id="20" type="rectilinear">
-    <x_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</x_grid>
-    <y_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</y_grid>
-    <z_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</z_grid>
-  </mesh>
-  <filter id="19" translation="-5 0 -10" type="mesh">
-    <bins>19</bins>
-  </filter>
-  <filter id="20" translation="-5 0 -10" type="mesh">
-    <bins>20</bins>
-  </filter>
-  <tally id="19">
-    <filters>19</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="20">
-    <filters>20</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_0_-10_-5.dat b/tests/regression_tests/filter_translations/input_dat_0_-10_-5.dat
deleted file mode 100644
index a29f8f63df..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_0_-10_-5.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="21" material="21" region="101 -102 103 -104 110 -109" universe="11" />
-  <cell id="22" material="22" region="~(101 -102 103 -104) (105 -106 107 -108) 110 -109" universe="11" />
-  <surface coeffs="-5.0" id="101" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="102" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="103" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="104" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="105" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="106" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="107" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="108" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="109" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="110" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="21">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="22">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="21">
-    <dimension>9 9 9</dimension>
-    <lower_left>-9 1 -4</lower_left>
-    <upper_right>9 19 14</upper_right>
-  </mesh>
-  <mesh id="22" type="rectilinear">
-    <x_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</x_grid>
-    <y_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</y_grid>
-    <z_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</z_grid>
-  </mesh>
-  <filter id="21" translation="0 -10 -5" type="mesh">
-    <bins>21</bins>
-  </filter>
-  <filter id="22" translation="0 -10 -5" type="mesh">
-    <bins>22</bins>
-  </filter>
-  <tally id="21">
-    <filters>21</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="22">
-    <filters>22</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_0_-5_-10.dat b/tests/regression_tests/filter_translations/input_dat_0_-5_-10.dat
deleted file mode 100644
index 17c7af7dd3..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_0_-5_-10.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="23" material="23" region="111 -112 113 -114 120 -119" universe="12" />
-  <cell id="24" material="24" region="~(111 -112 113 -114) (115 -116 117 -118) 120 -119" universe="12" />
-  <surface coeffs="-5.0" id="111" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="112" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="113" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="114" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="115" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="116" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="117" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="118" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="119" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="120" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="23">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="24">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="23">
-    <dimension>9 9 9</dimension>
-    <lower_left>-9 -4 1</lower_left>
-    <upper_right>9 14 19</upper_right>
-  </mesh>
-  <mesh id="24" type="rectilinear">
-    <x_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</x_grid>
-    <y_grid>-4.0 -2.875 -1.75 -0.625 0.5 1.625 2.75 3.875 5.0 6.125 7.25 8.375 9.5 10.625 11.75 12.875 14.0</y_grid>
-    <z_grid>1.0 2.125 3.25 4.375 5.5 6.625 7.75 8.875 10.0 11.125 12.25 13.375 14.5 15.625 16.75 17.875 19.0</z_grid>
-  </mesh>
-  <filter id="23" translation="0 -5 -10" type="mesh">
-    <bins>23</bins>
-  </filter>
-  <filter id="24" translation="0 -5 -10" type="mesh">
-    <bins>24</bins>
-  </filter>
-  <tally id="23">
-    <filters>23</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="24">
-    <filters>24</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_0_10_5.dat b/tests/regression_tests/filter_translations/input_dat_0_10_5.dat
deleted file mode 100644
index ce4d481e57..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_0_10_5.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="9" material="9" region="41 -42 43 -44 50 -49" universe="5" />
-  <cell id="10" material="10" region="~(41 -42 43 -44) (45 -46 47 -48) 50 -49" universe="5" />
-  <surface coeffs="-5.0" id="41" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="42" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="43" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="44" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="45" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="46" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="47" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="48" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="49" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="50" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="9">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="10">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="9">
-    <dimension>9 9 9</dimension>
-    <lower_left>-9 -19 -14</lower_left>
-    <upper_right>9 -1 4</upper_right>
-  </mesh>
-  <mesh id="10" type="rectilinear">
-    <x_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</x_grid>
-    <y_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</y_grid>
-    <z_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</z_grid>
-  </mesh>
-  <filter id="9" translation="0 10 5" type="mesh">
-    <bins>9</bins>
-  </filter>
-  <filter id="10" translation="0 10 5" type="mesh">
-    <bins>10</bins>
-  </filter>
-  <tally id="9">
-    <filters>9</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="10">
-    <filters>10</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_0_5_10.dat b/tests/regression_tests/filter_translations/input_dat_0_5_10.dat
deleted file mode 100644
index bdd361ce7f..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_0_5_10.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="11" material="11" region="51 -52 53 -54 60 -59" universe="6" />
-  <cell id="12" material="12" region="~(51 -52 53 -54) (55 -56 57 -58) 60 -59" universe="6" />
-  <surface coeffs="-5.0" id="51" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="52" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="53" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="54" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="55" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="56" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="57" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="58" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="59" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="60" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="11">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="12">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="11">
-    <dimension>9 9 9</dimension>
-    <lower_left>-9 -14 -19</lower_left>
-    <upper_right>9 4 -1</upper_right>
-  </mesh>
-  <mesh id="12" type="rectilinear">
-    <x_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</x_grid>
-    <y_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</y_grid>
-    <z_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</z_grid>
-  </mesh>
-  <filter id="11" translation="0 5 10" type="mesh">
-    <bins>11</bins>
-  </filter>
-  <filter id="12" translation="0 5 10" type="mesh">
-    <bins>12</bins>
-  </filter>
-  <tally id="11">
-    <filters>11</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="12">
-    <filters>12</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_10_0_5.dat b/tests/regression_tests/filter_translations/input_dat_10_0_5.dat
deleted file mode 100644
index 72c17754b9..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_10_0_5.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="3" material="3" region="11 -12 13 -14 20 -19" universe="2" />
-  <cell id="4" material="4" region="~(11 -12 13 -14) (15 -16 17 -18) 20 -19" universe="2" />
-  <surface coeffs="-5.0" id="11" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="12" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="13" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="14" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="15" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="16" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="17" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="18" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="19" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="20" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="3">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="4">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="3">
-    <dimension>9 9 9</dimension>
-    <lower_left>-19 -9 -14</lower_left>
-    <upper_right>-1 9 4</upper_right>
-  </mesh>
-  <mesh id="4" type="rectilinear">
-    <x_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</x_grid>
-    <y_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</y_grid>
-    <z_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</z_grid>
-  </mesh>
-  <filter id="3" translation="10 0 5" type="mesh">
-    <bins>3</bins>
-  </filter>
-  <filter id="4" translation="10 0 5" type="mesh">
-    <bins>4</bins>
-  </filter>
-  <tally id="3">
-    <filters>3</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="4">
-    <filters>4</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_5_0_10.dat b/tests/regression_tests/filter_translations/input_dat_5_0_10.dat
deleted file mode 100644
index 753930f7db..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_5_0_10.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="7" material="7" region="31 -32 33 -34 40 -39" universe="4" />
-  <cell id="8" material="8" region="~(31 -32 33 -34) (35 -36 37 -38) 40 -39" universe="4" />
-  <surface coeffs="-5.0" id="31" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="32" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="33" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="34" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="35" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="36" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="37" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="38" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="39" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="40" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="7">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="8">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="7">
-    <dimension>9 9 9</dimension>
-    <lower_left>-14 -9 -19</lower_left>
-    <upper_right>4 9 -1</upper_right>
-  </mesh>
-  <mesh id="8" type="rectilinear">
-    <x_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</x_grid>
-    <y_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</y_grid>
-    <z_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</z_grid>
-  </mesh>
-  <filter id="7" translation="5 0 10" type="mesh">
-    <bins>7</bins>
-  </filter>
-  <filter id="8" translation="5 0 10" type="mesh">
-    <bins>8</bins>
-  </filter>
-  <tally id="7">
-    <filters>7</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="8">
-    <filters>8</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_5_10_0.dat b/tests/regression_tests/filter_translations/input_dat_5_10_0.dat
deleted file mode 100644
index 98a93483e3..0000000000
--- a/tests/regression_tests/filter_translations/input_dat_5_10_0.dat
+++ /dev/null
@@ -1,60 +0,0 @@
-<?xml version='1.0' encoding='utf-8'?>
-<geometry>
-  <cell id="5" material="5" region="21 -22 23 -24 30 -29" universe="3" />
-  <cell id="6" material="6" region="~(21 -22 23 -24) (25 -26 27 -28) 30 -29" universe="3" />
-  <surface coeffs="-5.0" id="21" name="minimum x" type="x-plane" />
-  <surface coeffs="5.0" id="22" name="maximum x" type="x-plane" />
-  <surface coeffs="-5.0" id="23" name="minimum y" type="y-plane" />
-  <surface coeffs="5.0" id="24" name="maximum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="25" name="minimum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="26" name="maximum x" type="x-plane" />
-  <surface boundary="reflective" coeffs="-10.0" id="27" name="minimum y" type="y-plane" />
-  <surface boundary="reflective" coeffs="10.0" id="28" name="maximum y" type="y-plane" />
-  <surface boundary="vacuum" coeffs="10.0" id="29" type="z-plane" />
-  <surface boundary="vacuum" coeffs="-10.0" id="30" type="z-plane" />
-</geometry>
-<?xml version='1.0' encoding='utf-8'?>
-<materials>
-  <material depletable="true" id="5">
-    <density units="g/cm3" value="10.0" />
-    <nuclide ao="1.0" name="U235" />
-  </material>
-  <material id="6">
-    <density units="g/cm3" value="1.0" />
-    <nuclide ao="1.0" name="Zr90" />
-  </material>
-</materials>
-<?xml version='1.0' encoding='utf-8'?>
-<settings>
-  <run_mode>eigenvalue</run_mode>
-  <particles>1000</particles>
-  <batches>5</batches>
-  <inactive>0</inactive>
-</settings>
-<?xml version='1.0' encoding='utf-8'?>
-<tallies>
-  <mesh id="5">
-    <dimension>9 9 9</dimension>
-    <lower_left>-14 -19 -9</lower_left>
-    <upper_right>4 -1 9</upper_right>
-  </mesh>
-  <mesh id="6" type="rectilinear">
-    <x_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</x_grid>
-    <y_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</y_grid>
-    <z_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</z_grid>
-  </mesh>
-  <filter id="5" translation="5 10 0" type="mesh">
-    <bins>5</bins>
-  </filter>
-  <filter id="6" translation="5 10 0" type="mesh">
-    <bins>6</bins>
-  </filter>
-  <tally id="5">
-    <filters>5</filters>
-    <scores>total</scores>
-  </tally>
-  <tally id="6">
-    <filters>6</filters>
-    <scores>total</scores>
-  </tally>
-</tallies>
diff --git a/tests/regression_tests/filter_translations/input_dat_10_5_0.dat b/tests/regression_tests/filter_translations/inputs_true.dat
similarity index 66%
rename from tests/regression_tests/filter_translations/input_dat_10_5_0.dat
rename to tests/regression_tests/filter_translations/inputs_true.dat
index 73a11537a7..14481f804a 100644
--- a/tests/regression_tests/filter_translations/input_dat_10_5_0.dat
+++ b/tests/regression_tests/filter_translations/inputs_true.dat
@@ -34,21 +34,37 @@
 <?xml version='1.0' encoding='utf-8'?>
 <tallies>
   <mesh id="1">
-    <dimension>9 9 9</dimension>
-    <lower_left>-19 -14 -9</lower_left>
-    <upper_right>-1 4 9</upper_right>
+    <dimension>3 4 5</dimension>
+    <lower_left>-19 -4 -9</lower_left>
+    <upper_right>-1 14 9</upper_right>
   </mesh>
   <mesh id="2" type="rectilinear">
-    <x_grid>-19.0 -17.875 -16.75 -15.625 -14.5 -13.375 -12.25 -11.125 -10.0 -8.875 -7.75 -6.625 -5.5 -4.375 -3.25 -2.125 -1.0</x_grid>
-    <y_grid>-14.0 -12.875 -11.75 -10.625 -9.5 -8.375 -7.25 -6.125 -5.0 -3.875 -2.75 -1.625 -0.5 0.625 1.75 2.875 4.0</y_grid>
-    <z_grid>-9.0 -7.875 -6.75 -5.625 -4.5 -3.375 -2.25 -1.125 0.0 1.125 2.25 3.375 4.5 5.625 6.75 7.875 9.0</z_grid>
+    <x_grid>-9.0 0.0 9.0</x_grid>
+    <y_grid>-9.0 -3.0 3.0 9.0</y_grid>
+    <z_grid>-9.0 -4.5 0.0 4.5 9.0</z_grid>
   </mesh>
-  <filter id="1" translation="10 5 0" type="mesh">
+  <mesh id="3">
+    <dimension>3 4 5</dimension>
+    <lower_left>-19 -4 -9</lower_left>
+    <upper_right>-1 14 9</upper_right>
+  </mesh>
+  <mesh id="4" type="rectilinear">
+    <x_grid>-19.0 -10.0 -1.0</x_grid>
+    <y_grid>-4.0 2.0 8.0 14.0</y_grid>
+    <z_grid>-9.0 -4.5 0.0 4.5 9.0</z_grid>
+  </mesh>
+  <filter id="1" type="mesh">
     <bins>1</bins>
   </filter>
-  <filter id="2" translation="10 5 0" type="mesh">
+  <filter id="2" type="mesh">
     <bins>2</bins>
   </filter>
+  <filter id="3" translation="10 -5 0" type="mesh">
+    <bins>3</bins>
+  </filter>
+  <filter id="4" translation="10 -5 0" type="mesh">
+    <bins>4</bins>
+  </filter>
   <tally id="1">
     <filters>1</filters>
     <scores>total</scores>
@@ -57,4 +73,12 @@
     <filters>2</filters>
     <scores>total</scores>
   </tally>
+  <tally id="3">
+    <filters>3</filters>
+    <scores>total</scores>
+  </tally>
+  <tally id="4">
+    <filters>4</filters>
+    <scores>total</scores>
+  </tally>
 </tallies>
diff --git a/tests/regression_tests/filter_translations/results_true.dat b/tests/regression_tests/filter_translations/results_true.dat
index 105ef304ba..6782ab2aa2 100644
--- a/tests/regression_tests/filter_translations/results_true.dat
+++ b/tests/regression_tests/filter_translations/results_true.dat
@@ -1 +1,342 @@
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\ No newline at end of file
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diff --git a/tests/regression_tests/filter_translations/test.py b/tests/regression_tests/filter_translations/test.py
index a8d96158f5..6d2554ed2d 100644
--- a/tests/regression_tests/filter_translations/test.py
+++ b/tests/regression_tests/filter_translations/test.py
@@ -1,18 +1,16 @@
 from itertools import permutations
+from openmc import mesh
 import numpy as np
 
 import openmc
 import pytest
 
-from tests.testing_harness import HashedPyAPITestHarness
+from tests.testing_harness import PyAPITestHarness
 
 
-translations = list(permutations((10, 5, 0))) + list(permutations((-10, -5, 0)))
-@pytest.fixture(params=translations)
+@pytest.fixture
 def model(request):
 
-    translation = np.array(request.param)
-
     model = openmc.model.Model()
 
     fuel = openmc.Material()
@@ -35,24 +33,49 @@ def model(request):
     model.settings.inactive = 0
     model.settings.particles = 1000
 
-    llc = np.array([-9, -9, -9]) - translation
-    urc = np.array([9, 9, 9]) - translation
+    translation = np.array((10, -5, 0))
 
+    llc = np.array([-9, -9, -9])
+    urc = np.array([9, 9, 9])
+
+    mesh_dims = (3, 4, 5)
+
+    filters = []
+
+    # un-translated meshes
     reg_mesh = openmc.RegularMesh()
-    reg_mesh.dimension = [9, 9, 9]
+    reg_mesh.dimension = mesh_dims
     reg_mesh.lower_left = llc
     reg_mesh.upper_right = urc
 
-    recti_mesh = openmc.RectilinearMesh()
-    recti_mesh.x_grid = np.linspace(llc[0], urc[0], 17)
-    recti_mesh.y_grid = np.linspace(llc[1], urc[1], 17)
-    recti_mesh.z_grid = np.linspace(llc[2], urc[2], 17)
+    filters.append(openmc.MeshFilter(reg_mesh))
 
-    # Create filters
-    filters = [openmc.MeshFilter(reg_mesh),
-               openmc.MeshFilter(recti_mesh)]
-    for f in filters:
-        f.translation = translation
+    recti_mesh = openmc.RectilinearMesh()
+    recti_mesh.x_grid = np.linspace(llc[0], urc[0], mesh_dims[0])
+    recti_mesh.y_grid = np.linspace(llc[1], urc[1], mesh_dims[1])
+    recti_mesh.z_grid = np.linspace(llc[2], urc[2], mesh_dims[2])
+
+    filters.append(openmc.MeshFilter(recti_mesh))
+
+    llc -= translation
+    urc -= translation
+
+    # translated meshes
+    translated_reg_mesh = openmc.RegularMesh()
+    translated_reg_mesh.dimension = mesh_dims
+    translated_reg_mesh.lower_left = llc
+    translated_reg_mesh.upper_right = urc
+
+    filters.append(openmc.MeshFilter(translated_reg_mesh))
+    filters[-1].translation = translation
+
+    translated_recti_mesh = openmc.RectilinearMesh()
+    translated_recti_mesh.x_grid = np.linspace(llc[0], urc[0], mesh_dims[0])
+    translated_recti_mesh.y_grid = np.linspace(llc[1], urc[1], mesh_dims[1])
+    translated_recti_mesh.z_grid = np.linspace(llc[2], urc[2], mesh_dims[2])
+
+    filters.append(openmc.MeshFilter(translated_recti_mesh))
+    filters[-1].translation = translation
 
     # Create tallies
     for f in filters:
@@ -61,12 +84,11 @@ def model(request):
         tally.scores = ['total']
         model.tallies.append(tally)
 
-    input_name = 'input_dat_' + '_'.join(map(str, translation)) + '.dat'
-    return model, input_name
+    return model
 
 
 def test_filter_mesh_translations(model):
-    harness = HashedPyAPITestHarness('statepoint.5.h5', *model)
+    harness = PyAPITestHarness('statepoint.5.h5', model)
     harness.main()