Fix several failing tests

tests/regression_tests/cpp_driver/results_true.dat

@@ -1,13 +1,13 @@
 k-combined:
-1.902610E+00 1.901530E-02
+1.933305E+00 1.300360E-02
 tally 1:
-9.580351E+01
-1.031580E+03
-2.745984E+01
-8.430494E+01
-9.422158E+01
-9.919885E+02
-2.174849E+02
-5.292948E+03
-2.174849E+02
-5.292948E+03
+9.552846E+01
+1.019358E+03
+2.887973E+01
+9.308509E+01
+9.732441E+01
+1.059022E+03
+2.217326E+02
+5.486892E+03
+2.217326E+02
+5.486892E+03

tests/regression_tests/particle_restart_eigval/results_true.dat

@@ -3,14 +3,14 @@ current batch:
 current generation:
 1.000000E+00
 particle id:
-9.020000E+02
+2.540000E+02
 run mode:
 eigenvalue
 particle weight:
 1.000000E+00
 particle energy:
-3.691964E+06
+2.220048E+06
 particle xyz:
--5.047439E+01 2.730535E+01 -2.619863E+01
+-4.820850E+01 2.432936E+01 4.397668E+01
 particle uvw:
--6.278670E-01 1.419818E-01 -7.652609E-01
+-3.148565E-01 9.184190E-01 2.395245E-01

tests/regression_tests/particle_restart_eigval/test.py

@@ -2,5 +2,5 @@ from tests.testing_harness import ParticleRestartTestHarness
 
 
 def test_particle_restart_eigval():
-    harness = ParticleRestartTestHarness('particle_11_902.h5')
+    harness = ParticleRestartTestHarness('particle_11_254.h5')
     harness.main()

tests/regression_tests/periodic_6fold/test.py

@@ -1,5 +1,6 @@
+from math import sin, cos, pi
+
 import openmc
-import numpy as np
 import pytest
 
 from tests.testing_harness import PyAPITestHarness
@@ -24,17 +25,14 @@ def model():
     # (it essentially defines a circle of half-cylinders), but it is
     # designed so that periodic and reflective BCs will give different
     # answers.
-    theta1 = (-1/6 + 1/2) * np.pi
-    theta2 = (1/6 - 1/2) * np.pi
-    plane1 = openmc.Plane(a=np.cos(theta1), b=np.sin(theta1),
-                            boundary_type='periodic')
-    plane2 = openmc.Plane(a=np.cos(theta2), b=np.sin(theta2),
-                            boundary_type='periodic')
+    theta1 = (-1/6 + 1/2) * pi
+    theta2 = (1/6 - 1/2) * pi
+    plane1 = openmc.Plane(a=cos(theta1), b=sin(theta1), boundary_type='periodic')
+    plane2 = openmc.Plane(a=cos(theta2), b=sin(theta2), boundary_type='periodic')
 
-    x_max = openmc.XPlane(x0=5., boundary_type='reflective')
+    x_max = openmc.XPlane(5., boundary_type='reflective')
 
-    z_cyl = openmc.ZCylinder(x0=3*np.cos(np.pi/6), y0=3*np.sin(np.pi/6),
-                                r=2.0)
+    z_cyl = openmc.ZCylinder(x0=3*cos(pi/6), y0=3*sin(pi/6), r=2.0)
 
     outside_cyl = openmc.Cell(1, fill=water, region=(
         +plane1 & +plane2 & -x_max & +z_cyl))

tests/testing_harness.py

@@ -276,6 +276,13 @@ class ParticleRestartTestHarness(TestHarness):
 
         return outstr
 
+    def _cleanup(self):
+        """Delete particle restart files."""
+        super()._cleanup()
+        output = glob.glob('particle*.h5')
+        for f in output:
+            os.remove(f)
+
 
 class PyAPITestHarness(TestHarness):
     def __init__(self, statepoint_name, model=None, inputs_true=None):