test: Don't retry flushActWork if flushUntilNextPaint threw

[eps1lon]

Summary

Fixes "ReferenceError: You are trying to access a property or method of the Jest environment after it has been torn down." in ReactIncrementalErrorHandling-test.internal.js

Alternatives:

1. Additional await act(cb) call where cb makes sure we can flush until next paint without throwing

   // Ensure test isn't exited with pending work
   await act(async () => {
     root.render(<App shouldThrow={false} />);
   });

2. Use toFlushAndThrow

   -    let error;
   -    try {
   -      await act(async () => {
   -        root.render(<App shouldThrow={true} />);
   -      });
   -    } catch (e) {
   -      error = e;
   -    }
   +    root.render(<App shouldThrow={true} />);
    
   -    expect(error.message).toBe('Oops!');
   +    expect(Scheduler).toFlushAndThrow('Oops!');
        expect(numberOfThrows < 100).toBe(true);

But then it still wouldn't make sense to pass resolve and reject to the next flushActWork. Even if the next flushActWork would flush until next paint without throwing, we couldn't resolve or reject because we already did reject.

How did you test this change?

• yarn test --watch packages/react-reconciler/src/__tests__/ReactIncrementalErrorHandling-test.internal.js produces no more errors after the test finishes.

[react-sizebot]

Comparing: 1445acf...d3668f4

Critical size changes

Includes critical production bundles, as well as any change greater than 2%:

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-stable/react-dom/cjs/react-dom.production.min.js	=	154.84 kB	154.84 kB	=	49.12 kB	49.12 kB
oss-experimental/react-dom/cjs/react-dom.production.min.js	=	156.85 kB	156.85 kB	=	49.78 kB	49.78 kB
facebook-www/ReactDOM-prod.classic.js	=	533.79 kB	533.79 kB	=	95.06 kB	95.06 kB
facebook-www/ReactDOM-prod.modern.js	=	518.81 kB	518.81 kB	=	92.82 kB	92.82 kB

Significant size changes

Includes any change greater than 0.2%:

Expand to show

Name	+/-	Base	Current	+/- gzip	Base gzip	Current gzip
oss-experimental/jest-react/cjs/jest-react.production.min.js	+0.29%	2.42 kB	2.43 kB	+0.34%	1.17 kB	1.18 kB
oss-stable-semver/jest-react/cjs/jest-react.production.min.js	+0.29%	2.42 kB	2.43 kB	+0.34%	1.17 kB	1.18 kB
oss-stable/jest-react/cjs/jest-react.production.min.js	+0.29%	2.42 kB	2.43 kB	+0.34%	1.17 kB	1.18 kB

Generated by 🚫 dangerJS against d3668f4