{
        Model target = new Model();
        target.setInceptionYear( "TARGET" );

        Model source = new Model();
        source.setInceptionYear( "SOURCE" );

        modelMerger.merge( target, source, true, null );
        assertThat( target.getInceptionYear(), is( "SOURCE" ) );

        target.setInceptionYear( "TARGET" );
        modelMerger.merge( target, source, false, null );