assertThrows(NullPointerException.class, () -> {
            new MsrpcLookupSids(mockPolicyHandle, null);
        });
    }

    @Test
    void constructor_shouldSetCorrectSuperclassParameters() throws Exception {
        // Arrange
        jcifs.SID mockSid1 = mock(jcifs.SID.class);
        jcifs.SID mockSid2 = mock(jcifs.SID.class);