@Test(expectedExceptions = InvalidPropertyException.class)
public void testValidateShouldThrowExceptionWhenMwOffLimitLessThanMwOnLimit() {

    //GIVEN
    given(getFiOffLimit()).willReturn(4L);
    given(getFiOnLimit()).willReturn(3L);
    given(getMwOffLimit()).willReturn(5L);
    given(getMwOnLimit()).willReturn(6L);
    //WHEN
    underTest.validate();
    //THEN exception was thrown
}