assertEquals(2, artifacts.size());
    }

    public void test_getAvailableArtifacts() {
        Artifact[] artifacts = pluginHelper.getAvailableArtifacts(ArtifactType.DATA_STORE);
        assertNotNull(artifacts);
        assertTrue(artifacts.length > 0);
    }

    public void test_getAvailableArtifacts_exception() {

     * @param artifactType the type of artifacts to retrieve
     * @return an array of available artifacts
     * @throws PluginException if failed to access the artifact repository
     */
    public Artifact[] getAvailableArtifacts(final ArtifactType artifactType) {
        try {
            return availableArtifacts.get(artifactType);
        } catch (final Exception e) {

        final List<Map<String, String>> result = new ArrayList<>();
        for (final PluginHelper.ArtifactType artifactType : PluginHelper.ArtifactType.values()) {
            result.addAll(Arrays.stream(pluginHelper.getAvailableArtifacts(artifactType))
                    .map(AdminPluginAction::beanToMap)
                    .collect(Collectors.toList()));
        }
        return result;
    }

    /**