[ResponseOps][Cases]Fix unit tests for React@18 (elastic#207072)

Closes elastic#206954

## Summary

- fixed

-
[[job]](https://buildkite.com/elastic/kibana-pull-request/builds/267663#01946e9c-d647-4af9-9e61-586deed1bcfb)
[[logs]](https://buildkite.com/organizations/elastic/pipelines/kibana-pull-request/builds/267663/jobs/01946e9c-d647-4af9-9e61-586deed1bcfb/artifacts/01946ec2-e5bc-40be-98f8-d9fec8226ede)
Jest Tests / ConnectorForm calls onChange when the form is invalid

x-pack/platform/plugins/shared/triggers_actions_ui/public/application/sections/action_connector_form/connector_form.test.tsx

@@ -102,21 +102,21 @@ describe('ConnectorForm', () => {
       />
     );
 
-    expect(result.getByTestId('nameInput')).toBeInTheDocument();
+    expect(await result.findByTestId('nameInput')).toBeInTheDocument();
 
     await act(async () => {
       const submit = onChange.mock.calls[0][0].submit;
       await submit();
     });
 
-    await waitFor(() => expect(onChange).toHaveBeenCalled());
-
-    expect(onChange).toHaveBeenCalledWith({
-      isSubmitted: false,
-      isSubmitting: false,
-      isValid: false,
-      preSubmitValidator: expect.anything(),
-      submit: expect.anything(),
+    await waitFor(() => {
+      expect(onChange).toHaveBeenCalledWith({
+        isSubmitted: true,
+        isSubmitting: false,
+        isValid: false,
+        preSubmitValidator: expect.anything(),
+        submit: expect.anything(),
+      });
     });
   });