}

            if (!model.isPreserveModelVersion()) {
                model = model.withPreserveModelVersion(false);
                String modelVersion = new MavenModelVersion().getModelVersion(model);
                model = model.withModelVersion(modelVersion);
            }
        } else if (BOM_PACKAGING.equals(packaging)) {
            DependencyManagement dependencyManagement =

        source.setModelVersion( "SOURCE" );

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

        target.setModelVersion( "TARGET" );;
        modelMerger.merge( target, source, false, null );
        assertThat( target.getModelVersion(), is( "TARGET" ) );
    }

    @Test
    public void mergeSameModules()
    {
        Model target = new Model();

        public void setVersion(String version) {
            this.version = version;
        }

        public Scm getScm() {
            return scm;
        }

        public String getModelVersion() {
            return modelVersion;
        }

        public String getGroupId() {
            return groupId;
        }

        public List<Dependency> getDependencies() {

        final Set<MavenProject> projectsIncludingParents = new HashSet<>();
        for (MavenProject project : session.getProjects()) {
            superPomModels.computeIfAbsent(
                    project.getModelVersion(),
                    v -> superPomProvider.getSuperModel(v).getDelegate());
            boolean isAdded = projectsIncludingParents.add(project);
            MavenProject parent = project.getParent();