@Test
public void testUpdateCounter() {

    final String testingValue = "testingValue";
    when(innerFilter.set(testingValue)).thenReturn(false);
    assertThat(filterUpdateTimesCounter.sum()).isZero();
    assertThat(wrapper.set(testingValue)).isFalse();
    assertThat(filterUpdateTimesCounter.sum()).isEqualTo(1);
}