nbtAddress.calledName = "SOME_OTHER_NAME"; // Manually set for this test case
        assertNull(nbtAddress.nextCalledName(mockContext));
    }

    @Test
    void testGetHostName_KnownHost() {
        // Test getHostName when hostname is known
        mockName = new Name(mockConfig, "KNOWNHOST", 0x20, null);
        NbtAddress nbtAddress = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);