new EqualsTester()
        .addEqualityGroup(named("foo").addPeers("bar"), named("bar").addPeers("foo"))
        .addEqualityGroup(named("baz"), named("baz"))
        .testEquals();
  }

  public void testEqualityBasedOnToString() {
    AssertionFailedError e =
        assertThrows(
            AssertionFailedError.class,
            () ->