@Override
  public void isEqualTo(@Nullable Object expected) {
    super.isEqualTo(expected);
  }
@Test
  public void isEqualTo_WithoutToleranceParameter_Fail_PlusMinusZero() {
    expectFailureWhenTestingThat(array(0.0f)).isEqualTo(array(-0.0f));
    assertFailureValue("expected", "[-0.0]");
    assertFailureValue("but was", "[0.0]");
  }