// Then
        verify(messageBlock).setSessionId(sessionId);
    }

    @Test
    @DisplayName("Test setSessionId with boundary values")
    void testSetSessionIdWithBoundaryValues() {
        // Test with various session ID values
        long[] sessionIds = { 0L, 1L, Long.MAX_VALUE, Long.MIN_VALUE, -1L };

        for (long sessionId : sessionIds) {