Add more checks in tests

Author: djhi

packages/ra-ui-materialui/src/input/AutocompleteArrayInput.spec.tsx

@@ -820,6 +820,9 @@ describe('<AutocompleteArrayInput />', () => {
         )) as HTMLInputElement;
         // Enter an unknown value and submit it with Enter
         await userEvent.type(input, 'New Value{Enter}');
+        // AutocompleteArrayInput does not have an input with all values.
+        // Instead it adds buttons for each values.
+        await screen.findByText('New Value', { selector: '[role=button] *' });
         // Clear the input, otherwise the new value won't be shown in the dropdown as it is selected
         fireEvent.change(input, {
             target: { value: '' },

packages/ra-ui-materialui/src/input/AutocompleteInput.spec.tsx

@@ -1345,6 +1345,7 @@ describe('<AutocompleteInput />', () => {
             )) as HTMLInputElement;
             // Enter an unknown value and submit it with Enter
             await userEvent.type(input, 'New Value{Enter}');
+            await screen.getByDisplayValue('New Value');
             // Clear the input, otherwise the new value won't be shown in the dropdown as it is selected
             fireEvent.change(input, {
                 target: { value: '' },