For example:
<img width="1904" alt="Screen Shot 2021-11-05 at 11 59 05 AM" src="https://user-images.githubusercontent.com/29597/140540816-25d6d47b-7aea-4121-aeaa-565accc65b1f.png">

root.render(
              <React.Suspense fallback="Loading...">
                <Component shouldSuspend={false} />
              </React.Suspense>,
            ),
          );
          clearedMarks.splice(0);
          const testMarks = [creactCpuProfilerSample()];
          
          await act(async () =>
            React.startTransition(() =>
              root.render(
                <React.Suspense fallback="Loading...">
                  <Component shouldSuspend={true} />
                </React.Suspense>,
              ),
            ),
          );
          testMarks.push(...createUserTimingData(clearedMarks));
          const data = await act(() => preprocessData(testMarks));
          expect(data.suspenseEvents).toHaveLength(1);
          expect(data.suspenseEvents[0].warning).toBe(null);
        }
      });
    });
  });
  
  
});