Improve test coverage

Author: TamiTakamiya

ansible_wisdom/wildcard_oauth2/tests/test_wildcard_oauth2.py

@@ -20,6 +20,7 @@ def setUp(self):
     def test_standalone_vscode_callback_uri(self):
         rc = self.app.redirect_uri_allowed('vscode://redhat.ansible')
         self.assertTrue(rc)
+        self.app.clean()
 
     def test_invalid_callback_uri(self):
         rc = self.app.redirect_uri_allowed('vscode://othercompany.ansible')