Updated test to account for DEV/prod differences

packages/react-reconciler/src/__tests__/ReactSuspense-test.internal.js

@@ -698,14 +698,25 @@ describe('ReactSuspense', () => {
     ReactTestRenderer.act(() => {
       _setShow(true);
     });
-    expect(Scheduler).toHaveYielded([
-      'Child 1',
-      'Suspend! [Child 2]',
-      'Loading...',
-      'destroy layout',
-    ]);
+    expect(Scheduler).toHaveYielded(
+      // DEV behavior differs from prod
+      // In DEV sometimes the work loop sync-flushes the commit
+      // where as in production, it schedules it behind a timeout.
+      // See shouldForceFlushFallbacksInDEV() usage
+      __DEV__
+        ? ['Child 1', 'Suspend! [Child 2]', 'Loading...', 'destroy layout']
+        : ['Child 1', 'Suspend! [Child 2]', 'Loading...'],
+    );
     jest.advanceTimersByTime(1000);
-    expect(Scheduler).toHaveYielded(['Promise resolved [Child 2]']);
+    expect(Scheduler).toHaveYielded(
+      // DEV behavior differs from prod
+      // In DEV sometimes the work loop sync-flushes the commit
+      // where as in production, it schedules it behind a timeout.
+      // See shouldForceFlushFallbacksInDEV() usage
+      __DEV__
+        ? ['Promise resolved [Child 2]']
+        : ['destroy layout', 'Promise resolved [Child 2]'],
+    );
     expect(Scheduler).toFlushAndYield(['Child 1', 'Child 2', 'create layout']);
     expect(root).toMatchRenderedOutput(['Child 1', 'Child 2'].join(''));
   });