diff --git a/tests/regression_tests/rotation/geometry.xml b/tests/regression_tests/rotation/geometry.xml
deleted file mode 100644
index f324617065..0000000000
--- a/tests/regression_tests/rotation/geometry.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-
-
-
-
-
-
- |
- |
- |
-
-
diff --git a/tests/regression_tests/rotation/inputs_true.dat b/tests/regression_tests/rotation/inputs_true.dat
new file mode 100644
index 0000000000..24b00199be
--- /dev/null
+++ b/tests/regression_tests/rotation/inputs_true.dat
@@ -0,0 +1,38 @@
+
+
+ |
+ |
+ |
+ |
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ eigenvalue
+ 10000
+ 10
+ 5
+
+
+ -4.0 -4.0 -4.0 4.0 4.0 4.0
+
+
+
diff --git a/tests/regression_tests/rotation/materials.xml b/tests/regression_tests/rotation/materials.xml
deleted file mode 100644
index 160c9c6789..0000000000
--- a/tests/regression_tests/rotation/materials.xml
+++ /dev/null
@@ -1,14 +0,0 @@
-
-
-
-
-
-
-
-
-
-
-
-
-
-
diff --git a/tests/regression_tests/rotation/results_true.dat b/tests/regression_tests/rotation/results_true.dat
index f4a3cfcccb..f0e7868a01 100644
--- a/tests/regression_tests/rotation/results_true.dat
+++ b/tests/regression_tests/rotation/results_true.dat
@@ -1,2 +1,6 @@
k-combined:
+<<<<<<< HEAD
4.132181E-01 1.130226E-02
+=======
+4.453328E-01 5.918369E-03
+>>>>>>> Updating test results for new problem.
diff --git a/tests/regression_tests/rotation/settings.xml b/tests/regression_tests/rotation/settings.xml
deleted file mode 100644
index 70b4e802f8..0000000000
--- a/tests/regression_tests/rotation/settings.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-
-
-
- eigenvalue
- 10
- 5
- 1000
-
-
-
- -4 -4 -4 4 4 4
-
-
-
-
diff --git a/tests/regression_tests/rotation/test.py b/tests/regression_tests/rotation/test.py
index 4a4526342e..7a59ce2000 100644
--- a/tests/regression_tests/rotation/test.py
+++ b/tests/regression_tests/rotation/test.py
@@ -1,4 +1,7 @@
-from tests.testing_harness import TestHarness
+import pytest
+import openmc
+
+from tests.testing_harness import PyAPITestHarness
@pytest.fixture