assertTrue(echoResponse.isSigned());
        }

        @Test
        @DisplayName("Should handle multiple flags correctly")
        void testIsSignedWithMultipleFlags() {
            echoResponse.addFlags(ServerMessageBlock2.SMB2_FLAGS_ASYNC_COMMAND);
            assertFalse(echoResponse.isSigned());

            echoResponse.addFlags(ServerMessageBlock2.SMB2_FLAGS_SIGNED);