Skip the failing test on buildbots only.

Author: jaraco

Lib/test/test_importlib/metadata/_issue132947.py

@@ -0,0 +1,14 @@
+import os
+import unittest
+
+
+def skip_on_buildbot(func):
+    """
+    #132947 revealed that after applying some otherwise stable
+    changes, only on some buildbot runners, the tests will fail with
+    ResourceWarnings.
+    """
+    is_buildbot = 'BUILDBOT_RUN' in os.environ or 'BUILDBOT' in os.environ
+    skipper = unittest.skip("Causes Resource Warnings (python/cpython#132947)")
+    wrapper = skipper if is_buildbot else lambda x: x
+    return wrapper(func)

Lib/test/test_importlib/metadata/test_main.py

@@ -22,6 +22,7 @@
 )
 
 from . import fixtures
+from . import _issue132947
 from ._path import Symlink
 
 
@@ -357,6 +358,7 @@ def test_packages_distributions_example(self):
         self._fixture_on_path('example-21.12-py3-none-any.whl')
         assert packages_distributions()['example'] == ['example']
 
+    @_issue132947.skip_on_buildbot
     def test_packages_distributions_example2(self):
         """
         Test packages_distributions on a wheel built