assertEquals(0x00000003, mask);
            verify(ace).getAccessMask();
        }

        @Test
        @DisplayName("Should define getFlags method returning int")
        void shouldDefineGetFlags() {
            ACE ace = mock(ACE.class);
            when(ace.getFlags()).thenReturn(ACE.FLAGS_INHERITED);

            int flags = ace.getFlags();
            assertEquals(ACE.FLAGS_INHERITED, flags);