developer.setId( "devid" );

        Model target = new Model();
        target.setDevelopers( Arrays.asList( developer ) );

        Model source = new Model();
        source.setDevelopers( Arrays.asList( developer ) );

        modelMerger.merge( target, source, true, null );

        assertThat( target.getDevelopers(), contains( developer ) );
    }

    @Test
    public void mergeSameExcludes()