public void test_getInstalledArtifacts_dataStore() {
        Artifact[] artifacts = pluginHelper.getInstalledArtifacts(ArtifactType.DATA_STORE);
        assertNotNull(artifacts);
    }

    public void test_getArtifact_found() {
        Artifact result = pluginHelper.getArtifact("fess-ds-atlassian", "12.2.0");
        assertNotNull(result);
        assertEquals("fess-ds-atlassian", result.getName());