public DoubleArrayAsIterable usingTolerance(double tolerance) {
    return new DoubleArrayAsIterable(tolerance(tolerance), iterableSubject());
  }
@Test
  public void usingTolerance_contains_successWithExpectedLong() {
    assertThat(array(1.0, TOLERABLE_2, 3.0)).usingTolerance(DEFAULT_TOLERANCE).contains(2L);
  }