graph.addEdge(v1, v3, new MetadataGraphEdge("1.2", true, null, null, 4, 2));

        // v3-->v4
        graph.addEdge(v3, v4, new MetadataGraphEdge("1.1", true, ArtifactScopeEnum.runtime, null, 2, 2));
        graph.addEdge(v3, v4, new MetadataGraphEdge("1.2", true, ArtifactScopeEnum.test, null, 2, 2));
    }

    // ------------------------------------------------------------------------------------------
    @Test

                1, res.getIncidentEdges(v3).size(), "wrong # of edges v1-v3 in the resulting graph after resolver");
        assertEquals(
                "1.1",
                res.getIncidentEdges(v3).get(0).getVersion(),
                "wrong edge v1-v3 in the resulting graph after resolver");

        assertEquals(
                1, res.getIncidentEdges(v4).size(), "wrong # of edges v3-v4 in the resulting graph after resolver");

        // TODO: we should not modify the underlying model here, but resources should be stored
        // TODO: in a separate field in the project, however, that could break v3 plugins
        MavenProject prj = getMavenProject(nonNull(project, "project"));
        org.apache.maven.model.Resource res = new org.apache.maven.model.Resource(nonNull(resource, "resource"));

    <![CDATA[
    <p>This is a reference for the Maven project descriptor used in Maven.</p>
    <p>An XSD is available at:</p>
    <ul>
      <li><a href="https://maven.apache.org/xsd/maven-v3_0_0.xsd">https://maven.apache.org/xsd/maven-v3_0_0.xsd</a> for Maven 1.1.</li>
      <li><a href="https://maven.apache.org/xsd/maven-4.0.0.xsd">https://maven.apache.org/xsd/maven-4.0.0.xsd</a> for Maven 2.0.</li>