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Author: Jack Pope

packages/react-test-renderer/src/__tests__/ReactTestRenderer-test.internal.js

@@ -600,7 +600,9 @@ describe('ReactTestRenderer', () => {
 
     let renderer;
     await act(() => {
-      renderer = ReactTestRenderer.create(<Boundary />);
+      renderer = ReactTestRenderer.create(<Boundary />, {
+        unstable_isConcurrent: true,
+      });
     });
     expect(renderer.toJSON()).toEqual({
       type: 'div',