MavenProject project1 = getProjectWithDependencies(pom1);

        assertNotNull(project1.getParent(), "Parent is null");
        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        Map map = project1.getArtifactMap();

        assertNotNull(map, "No artifacts");
        assertTrue(map.size() > 0, "No Artifacts");
        assertTrue(map.size() == 2, "Set size should be 2, is " + map.size());

        project.setArtifacts( project.createArtifacts( null ) );

        String key = ArtifactUtils.versionlessKey( groupId, artifactId );

        Map artifactMap = project.getArtifactMap();

        assertNotNull( artifactMap, "artifact-map should not be null." );
        assertEquals( 1, artifactMap.size(), "artifact-map should contain 1 element." );

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertTrue(map.size() > 0, "No Artifacts");
        assertTrue(map.size() == 3, "Set size should be 3, is " + map.size());

     * The map of artifacts accessible by the versionlessKey, i.e. groupId:artifactId
     *
     * @return a Map of artifacts, never {@code null}
     * @see #getArtifacts()
     */
    public Map<String, Artifact> getArtifactMap() {
        if (artifactMap == null) {
            artifactMap = ArtifactUtils.artifactMapByVersionlessId(getArtifacts());
        }

        return artifactMap;
    }

        public void addArtifact(Artifact a) {
            artifactMap.put(a.getGroupId() + ":" + a.getArtifactId() + ":" + a.getClassifier(), a);
        }

        public Map<String, Artifact> getArtifactMap() {
            return artifactMap;
        }

        public void setDescription(String description) {
            this.description = description;
        }

        public String getDescription() {