fix(datetimeinput): correct time-input label query in invalid-input tests (#3445)

The invalid-typed-time tests queried getByLabelText('Time'), but the
time sub-input's accessible name is `${label} time` (e.g. 'Meeting
time'). Align the 3 queries with the actual label so the suite passes.

Author: cixzhang

packages/core/src/DateTimeInput/DateTimeInput.test.tsx

@@ -486,7 +486,7 @@ describe('DateTimeInput', () => {
         />,
       );
 
-      const timeInput = screen.getByLabelText('Time');
+      const timeInput = screen.getByLabelText('Meeting time');
       fireEvent.change(timeInput, {target: {value: '99:99 zz'}});
 
       expect(timeInput).toHaveAttribute('aria-invalid', 'true');
@@ -501,7 +501,7 @@ describe('DateTimeInput', () => {
         />,
       );
 
-      const timeInput = screen.getByLabelText('Time');
+      const timeInput = screen.getByLabelText('Meeting time');
       fireEvent.change(timeInput, {target: {value: '3:45 pm'}});
 
       expect(timeInput).not.toHaveAttribute('aria-invalid');
@@ -516,7 +516,7 @@ describe('DateTimeInput', () => {
         />,
       );
 
-      const timeInput = screen.getByLabelText('Time');
+      const timeInput = screen.getByLabelText('Meeting time');
       fireEvent.change(timeInput, {target: {value: '99:99 zz'}});
 
       expect(screen.getByText('Invalid time')).toBeInTheDocument();