Merge pull request #48700 from dwoz/ext_mod_test

Call sync_modules to fix Windows test case

tests/integration/loader/test_ext_modules.py

@@ -21,6 +21,9 @@ from tests.support.paths import TMP
 
 class LoaderOverridesTest(ModuleCase):
 
+    def setUp(self):
+        self.run_function('saltutil.sync_modules')
+
     def test_overridden_internal(self):
         # To avoid a race condition on Windows, we need to make sure the
         # `override_test.py` file is present in the _modules directory before