Move test_interleaved_discovery from test_integration to test_main.

Author: jaraco

tests/test_integration.py

@@ -15,7 +15,6 @@
 from importlib_metadata import (
     MetadataPathFinder,
     _compat,
-    distributions,
     version,
 )
 
@@ -64,16 +63,3 @@ def test_search_dist_dirs(self):
         """
         res = MetadataPathFinder._search_paths('any-name', [])
         assert list(res) == []
-
-    def test_interleaved_discovery(self):
-        """
-        When the search is cached, it is
-        possible for searches to be interleaved, so make sure
-        those use-cases are safe.
-
-        Ref #293
-        """
-        dists = distributions()
-        next(dists)
-        version('importlib_metadata')
-        next(dists)

tests/test_main.py

@@ -204,6 +204,20 @@ def test_invalid_usage(self):
         with self.assertRaises(ValueError):
             list(distributions(context='something', name='else'))
 
+    def test_interleaved_discovery(self):
+        """
+        Ensure interleaved searches are safe.
+
+        When the search is cached, it is possible for searches to be
+        interleaved, so make sure those use-cases are safe.
+
+        Ref #293
+        """
+        dists = distributions()
+        next(dists)
+        version('egginfo-pkg')
+        next(dists)
+
 
 class DirectoryTest(fixtures.OnSysPath, fixtures.SiteDir, unittest.TestCase):
     def test_egg_info(self):