exclusion.setGroupId("*");
        exclusion.setArtifactId("maven-core");
        ExclusionArtifactFilter filter = new ExclusionArtifactFilter(Collections.singletonList(exclusion));

        assertThat(filter.include(artifact), is(false));
    }

    @Test
    void testExcludeGroupIdWildcardNoMatch() {
        Exclusion exclusion = new Exclusion();
        exclusion.setGroupId("*");

        super();
    }

    @Test
    void testResolveParentThrowsUnresolvableModelExceptionWhenNotFound() throws Exception {
        final Parent parent = new Parent();
        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,

                "compile",
                "jar",
                null,
                new DefaultArtifactHandler("ignore"));
        PluginDescriptor descriptor = new PluginDescriptor();
        descriptor.setGroupId("org.apache.maven.its.plugins");
        descriptor.setArtifactId("maven-it-plugin");
        descriptor.setVersion("0.1");
        List<String> errors = new ArrayList<>();

        /*
        Dependency dep1 = new Dependency();
        dep1.setGroupId( "test" );
        dep1.setArtifactId( "test-artifact" );
        dep1.setVersion( "1" );
        dep1.setType( "jar" );

        Exclusion exc = new Exclusion();
        exc.setGroupId( "test" );
        exc.setArtifactId( "test-artifact3" );

        dep1.addExclusion( exc );

        setGroupId(plugin.getGroupId());
        setArtifactId(plugin.getArtifactId());

        setRepositorySession(session);

        setRepositories(repositories);
    }

    public String getGroupId() {
        return groupId;
    }

    public DefaultPluginVersionRequest setGroupId(String groupId) {
        this.groupId = groupId;

        return this;

        result.setGroupId("org.apache");
        result.setArtifactId("A");
        result.setVersion("1.2");
        return result;
    }

    static Dependency toDependency(MavenProject mavenProject) {
        final Dependency dependency = new Dependency();
        dependency.setArtifactId(mavenProject.getArtifactId());
        dependency.setGroupId(mavenProject.getGroupId());

        assertEquals(groupId + ":" + artifactId + ":" + type + ":" + classifier, artifact.getDependencyConflictId());
    }

    @Test
    void testGetDependencyConflictIdNullGroupId() {
        artifact.setGroupId(null);
        assertEquals(null + ":" + artifactId + ":" + type + ":" + classifier, artifact.getDependencyConflictId());
    }

    @Test
    void testGetDependencyConflictIdNullClassifier() {

            init( af );
        }
        */
    }
    // ------------------------------------------------------------------
    //    public void init( ArtifactMetadata af )
    //    {
    //        setGroupId( af.getGroupId() );
    //        setArtifactId( af.getArtifactId() );
    //        setVersion( af.getVersion() );
    //        setType( af.getType() );
    //        setScope( af.getScope() );

    }

    /** {@inheritDoc} */
    public void selectVersion(String version) {
        artifact.selectVersion(version);
    }

    /** {@inheritDoc} */
    public void setGroupId(String groupId) {
        artifact.setGroupId(groupId);
    }

    /** {@inheritDoc} */
    public void setArtifactId(String artifactId) {
        artifact.setArtifactId(artifactId);
    }

    /** {@inheritDoc} */

    }

    protected static Metadata createRepositoryMetadata(Artifact artifact) {
        Metadata metadata = new Metadata();
        metadata.setModelVersion("1.1.0");
        metadata.setGroupId(artifact.getGroupId());
        metadata.setArtifactId(artifact.getArtifactId());
        metadata.setVersion(artifact.getBaseVersion());

        return metadata;
    }

    public void bind(Artifact artifact) {