Revert "Update test_importlib tests"

This reverts commit d21f1be.

Author: zooba

Lib/test/test_importlib/test_api.py

@@ -236,10 +236,6 @@ def test_reload_location_changed(self):
                                 '__file__': path,
                                 '__doc__': None,
                                 }
-                    try:
-                        expected['__cached__'] = self.util.cache_from_source(path)
-                    except NotImplementedError:
-                        pass
                     os_helper.create_empty_file(path)
                     module = self.init.import_module(name)
                     ns = vars(module).copy()
@@ -260,10 +256,6 @@ def test_reload_location_changed(self):
                                 '__path__': [os.path.dirname(init_path)],
                                 '__doc__': None,
                                 }
-                    try:
-                        expected['__cached__'] = self.util.cache_from_source(init_path)
-                    except NotImplementedError:
-                        pass
                     os.mkdir(name)
                     os.rename(path, init_path)
                     reloaded = self.init.reload(module)
@@ -322,10 +314,6 @@ def test_reload_namespace_changed(self):
                                 '__doc__': None,
                                 'eggs': None,
                                 }
-                    try:
-                        expected['__cached__'] = self.util.cache_from_source(init_path)
-                    except NotImplementedError:
-                        pass
                     os.rename(bad_path, init_path)
                     reloaded = self.init.reload(module)
                     ns = vars(reloaded).copy()