Fix CI test errors

- skips tests that run forever, interaction of plt.pause() with Agg backend.

Author: petercorke

.github/workflows/master.yml

@@ -39,7 +39,7 @@ jobs:
       env:
         MPLBACKEND: Agg
       run: |
-        pytest -s --ignore=W605 --timeout=50 --timeout_method=thread
+        pytest -s --timeout=50 --timeout_method=thread
 
   codecov:
     # If all tests pass:

tests/base/test_transforms3d_plot.py

@@ -14,6 +14,7 @@
 from math import pi
 import math
 from scipy.linalg import logm, expm
+import os
 import pytest
 import sys
 
@@ -25,8 +26,9 @@
 
 class Test3D(unittest.TestCase):
     @pytest.mark.skipif(
-        sys.platform.startswith("darwin") and sys.version_info < (3, 11),
-        reason="tkinter bug with mac",
+        os.environ.get("CI") == "true"
+        or (sys.platform.startswith("darwin") and sys.version_info < (3, 11)),
+        reason="no display in CI / tkinter bug on mac",
     )
     def test_plot(self):
         plt.figure()
@@ -72,8 +74,9 @@ def test_plot(self):
         plt.close("all")
 
     @pytest.mark.skipif(
-        sys.platform.startswith("darwin") and sys.version_info < (3, 11),
-        reason="tkinter bug with mac",
+        os.environ.get("CI") == "true"
+        or (sys.platform.startswith("darwin") and sys.version_info < (3, 11)),
+        reason="no display in CI / tkinter bug on mac",
     )
     def test_animate(self):
         tranimate(transl(1, 2, 3), repeat=False, wait=True)