Function testToMatchSnapshots

packages/expect/src/__tests__/matchers.test.js:2147–2158

  };

  const testToMatchSnapshots = tuples => {
    for (const [n1, n2] of tuples) {
      it(`{pass: false} expect(${stringify(n1)}).toMatchObject(${stringify(
        n2,
      )})`, () => {
        jestExpect(n1).not.toMatchObject(n2);
        expect(() =>
          jestExpect(n1).toMatchObject(n2),
        ).toThrowErrorMatchingSnapshot();
      });
    }
  };

  describe('circular references', () => {
    describe('simple circular references', () => {