});
        assertEquals(expectedException, thrown);
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcSamrOpenDomain.class));
    }

    @Test
    void close_shouldCloseHandleSuccessfully() throws IOException {
        // Arrange
        int access = 0x01;
        // Simulate successful open
        doAnswer(invocation -> {
            MsrpcSamrOpenDomain rpc = invocation.getArgument(0);