@Test
public void testDropShouldNotRomveAnythingBecauseWeWantRemoveAValueWithUnknownKey() {

    //GIVEN in setUp
    Map<String, StubDescriptor> expected = normalStubDescriptors;
    //WHEN
    underTest = new DropCommand("test", request, urlAccessLogMessageAssembler);
    Map<String, StubDescriptor> result = underTest.modify(normalStubDescriptors);
    //THEN
    Assert.assertEquals(result, expected);
}