Fix test

Author: gaearon

packages/use-sync-external-store/src/__tests__/useSyncExternalStoreShared-test.js

@@ -584,10 +584,16 @@ describe('Shared useSyncExternalStore behavior (shim and built-in)', () => {
           'calls setState inside componentWillUpdate or componentDidUpdate. React limits ' +
           'the number of nested updates to prevent infinite loops.',
       );
-    }).toErrorDev([
-      'Maximum update depth exceeded.',
-      'The result of getSnapshot should be cached to avoid an infinite loop',
-    ]);
+    }).toErrorDev(
+      gate(flags => flags.enableUseSyncExternalStoreShim)
+        ? [
+            'The result of getSnapshot should be cached to avoid an infinite loop',
+          ]
+        : [
+            'Maximum update depth exceeded.',
+            'The result of getSnapshot should be cached to avoid an infinite loop',
+          ],
+    );
   });
 
   test('getSnapshot can return NaN without infinite loop warning', async () => {