Revert "fix UT"

This reverts commit 5899db9.

tests/aaa_test.py

@@ -294,17 +294,7 @@ def test_config_aaa_tacacs_delete_yang_validation(self):
 
         result = runner.invoke(config.config.commands["tacacs"].commands["delete"], ["10.10.10.10"], obj=obj)
         print(result.exit_code)
+        print(result.output)
         assert result.exit_code != 0
+        assert "Invalid ip address. Error:" in result.output
 
-    @patch("validated_config_db_connector.device_info.is_yang_config_validation_enabled", mock.Mock(return_value=True))
-    @patch("config.validated_config_db_connector.ValidatedConfigDBConnector.validated_set_entry", mock.Mock(side_effect=ValueError))
-    @patch("config.main.ConfigDBConnector.get_entry", mock.Mock(return_value={}))
-    def test_config_aaa_tacacs_add_yang_validation(self):
-        config.ADHOC_VALIDATION = True
-        runner = CliRunner()
-        db = Db()
-        obj = {'db':db.cfgdb}
-
-        result = runner.invoke(config.config.commands["tacacs"].commands["add"], ["10.10.10.10"], obj=obj)
-        print(result.exit_code)
-        assert result.exit_code != 0