assertEquals(emptyWorkstation, type1.getSuppliedWorkstation());
    }

    @Test
    @DisplayName("Should handle null domain and workstation")
    void testNullDomainAndWorkstation() {
        // When
        Type1Message type1 = new Type1Message(mockContext, 0, null, null);

        // Then
        assertNull(type1.getSuppliedDomain());