assertThat(expected).hasMessageThat().contains(cls.getSimpleName() + "(");
      return;
    }
    fail("should have failed for " + cls);
  }

  public void testParameterNotInstantiableForEqualsTest() throws Exception {
    assertThrows(
        ParameterNotInstantiableException.class,
        () -> tester.doTestEquals(ConstructorParameterNotInstantiable.class));
  }