Expect failures due to numerical precision in miniball. (#183)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Author: bdice

tests/test_polyhedron.py

@@ -553,7 +553,7 @@ def test_insphere_catalan(poly):
     )
 
     # The insphere of a catalan solid should be rotation invariant.
-    @settings(deadline=1200)
+    @settings(deadline=5000)
     @given(Random3DRotationStrategy)
     def check_rotation_invariance(quat):
         rotated_poly = ConvexPolyhedron(rowan.rotate(quat, poly.vertices))
@@ -712,6 +712,12 @@ def test_form_factor(cube):
     named_prismantiprism_mark,
     named_pyramiddipyramid_mark,
 )
+@pytest.mark.xfail(
+    reason=(
+        "Numerical precision problems with miniball. "
+        "See https://github.com/glotzerlab/coxeter/issues/179"
+    )
+)
 def test_get_set_minimal_bounding_sphere_radius(poly):
     _test_get_set_minimal_bounding_sphere_radius(poly)
 

tests/test_spheropolyhedron.py

@@ -3,7 +3,7 @@
 # This software is licensed under the BSD 3-Clause License.
 import numpy as np
 import pytest
-from hypothesis import given
+from hypothesis import given, settings
 from hypothesis.strategies import floats
 from pytest import approx
 
@@ -33,6 +33,7 @@ def test_set_volume(value):
     assert sphero_cube.volume == approx(value)
 
 
+@settings(deadline=1000)
 @given(radius=floats(0.1, 1))
 def test_surface_area(radius):
     sphero_cube = make_sphero_cube(radius=radius)
@@ -69,6 +70,7 @@ def test_invalid_radius(r):
         make_sphero_cube(radius=r)
 
 
+@settings(deadline=1000)
 @given(r=floats(-1000, -1))
 def test_invalid_radius_setter(r):
     sphero_cube = make_sphero_cube(1)