Update tests

Author: tomasr8

Lib/test/test_importlib/test_abc.py

@@ -937,9 +937,13 @@ class ResourceLoaderDeprecationWarningsTests(unittest.TestCase):
     """Tests ResourceLoader deprecation warnings."""
 
     def test_deprecated_resource_loader(self):
-        with self.assertWarns(DeprecationWarning):
-            from importlib.abc import ResourceLoader
+        from importlib.abc import ResourceLoader
+        class DummyLoader(ResourceLoader):
+            def get_data(self, path):
+                return b''
 
+        with self.assertWarns(DeprecationWarning):
+            DummyLoader()
 
 if __name__ == '__main__':
     unittest.main()

Lib/test/test_importlib/test_api.py

@@ -493,18 +493,22 @@ def test_util(self):
 
 
 class TestDeprecations(unittest.TestCase):
-    def test_machinery_deprecated_members(self):
+    def test_machinery_deprecated_attributes(self):
         from importlib import machinery
         attributes = (
             'DEBUG_BYTECODE_SUFFIXES',
             'OPTIMIZED_BYTECODE_SUFFIXES',
-            'WindowsRegistryFinder',
         )
         for attr in attributes:
             with self.subTest(attr=attr):
                 with self.assertWarns(DeprecationWarning):
                     getattr(machinery, attr)
 
+    def test_deprecated_windows_registry_finder(self):
+        from importlib.machinery import WindowsRegistryFinder
+        with self.assertWarns(DeprecationWarning):
+            WindowsRegistryFinder()
+
 
 if __name__ == '__main__':
     unittest.main()