[RAM] Fix flaky edit connector flyout test (#165128)

## Summary
Resolves: #157060

Fixes slow running flaky tests by removing the `delay` for the
`userEvent.type` calls. Also remove some unnecessary `act` calls.

### Checklist
- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios

x-pack/plugins/triggers_actions_ui/public/application/sections/action_connector_form/edit_connector_flyout/index.test.tsx

@@ -394,8 +394,7 @@ describe('EditConnectorFlyout', () => {
     });
   });
 
-  // FLAKY: https://github.com/elastic/kibana/issues/157060
-  describe.skip('Submitting', () => {
+  describe('Submitting', () => {
     it('updates the connector correctly', async () => {
       const { getByTestId } = appMockRenderer.render(
         <EditConnectorFlyout
@@ -410,20 +409,17 @@ describe('EditConnectorFlyout', () => {
         expect(getByTestId('test-connector-text-field')).toBeInTheDocument();
       });
 
-      await act(async () => {
-        await userEvent.clear(getByTestId('nameInput'));
-        await userEvent.type(getByTestId('nameInput'), 'My new name', {
-          delay: 100,
-        });
-        await userEvent.type(getByTestId('test-connector-secret-text-field'), 'password', {
-          delay: 100,
-        });
-      });
+      userEvent.clear(getByTestId('nameInput'));
+      userEvent.type(getByTestId('nameInput'), 'My new name');
+      userEvent.type(getByTestId('test-connector-secret-text-field'), 'password');
 
-      act(() => {
-        userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+      await waitFor(() => {
+        expect(getByTestId('nameInput')).toHaveValue('My new name');
+        expect(getByTestId('test-connector-secret-text-field')).toHaveValue('password');
       });
 
+      userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+
       await waitFor(() => {
         expect(appMockRenderer.coreStart.http.put).toHaveBeenCalledWith(
           '/api/actions/connector/123',
@@ -461,16 +457,19 @@ describe('EditConnectorFlyout', () => {
       });
 
       userEvent.clear(getByTestId('test-connector-text-field'));
-      await userEvent.type(getByTestId('test-connector-text-field'), 'My updated text field', {
-        delay: 100,
+      userEvent.type(getByTestId('test-connector-text-field'), 'My updated text field');
+
+      await waitFor(() => {
+        expect(getByTestId('test-connector-text-field')).toHaveValue('My updated text field');
       });
 
       userEvent.clear(getByTestId('nameInput'));
-      await userEvent.type(getByTestId('nameInput'), 'My test', {
-        delay: 100,
-      });
-      await userEvent.type(getByTestId('test-connector-secret-text-field'), 'password', {
-        delay: 100,
+      userEvent.type(getByTestId('nameInput'), 'My test');
+      userEvent.type(getByTestId('test-connector-secret-text-field'), 'password');
+
+      await waitFor(() => {
+        expect(getByTestId('nameInput')).toHaveValue('My test');
+        expect(getByTestId('test-connector-secret-text-field')).toHaveValue('password');
       });
 
       userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
@@ -494,20 +493,17 @@ describe('EditConnectorFlyout', () => {
         expect(getByTestId('test-connector-text-field')).toBeInTheDocument();
       });
 
-      await act(async () => {
-        await userEvent.clear(getByTestId('nameInput'));
-        await userEvent.type(getByTestId('nameInput'), 'My new name', {
-          delay: 100,
-        });
-        await userEvent.type(getByTestId('test-connector-secret-text-field'), 'password', {
-          delay: 100,
-        });
-      });
+      userEvent.clear(getByTestId('nameInput'));
+      userEvent.type(getByTestId('nameInput'), 'My new name');
+      userEvent.type(getByTestId('test-connector-secret-text-field'), 'password');
 
-      act(() => {
-        userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+      await waitFor(() => {
+        expect(getByTestId('nameInput')).toHaveValue('My new name');
+        expect(getByTestId('test-connector-secret-text-field')).toHaveValue('password');
       });
 
+      userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+
       await waitFor(() => {
         expect(appMockRenderer.coreStart.http.put).toHaveBeenCalledWith(
           '/api/actions/connector/123',
@@ -519,9 +515,7 @@ describe('EditConnectorFlyout', () => {
 
       expect(getByText('Changes Saved')).toBeInTheDocument();
 
-      act(() => {
-        userEvent.click(getByTestId('edit-connector-flyout-close-btn'));
-      });
+      userEvent.click(getByTestId('edit-connector-flyout-close-btn'));
 
       expect(onClose).toHaveBeenCalled();
       expect(onConnectorUpdated).toHaveBeenCalledWith({
@@ -555,17 +549,15 @@ describe('EditConnectorFlyout', () => {
         expect(getByTestId('test-connector-error-text-field')).toBeInTheDocument();
       });
 
-      await act(async () => {
-        await userEvent.clear(getByTestId('nameInput'));
-        await userEvent.type(getByTestId('nameInput'), 'My new name', {
-          delay: 100,
-        });
-      });
+      userEvent.clear(getByTestId('nameInput'));
+      userEvent.type(getByTestId('nameInput'), 'My new name');
 
-      act(() => {
-        userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+      await waitFor(() => {
+        expect(getByTestId('nameInput')).toHaveValue('My new name');
       });
 
+      userEvent.click(getByTestId('edit-connector-flyout-save-btn'));
+
       await waitFor(() => {
         expect(getByText('Error on pre submit validator')).toBeInTheDocument();
       });