List<Artifact> result = testHelper.loadArtifactsFromRepository("test.yaml");
        assertNotNull(result);
        assertTrue(result.isEmpty());
    }

    @Test
    public void test_loadArtifactsFromRepository_invalidYaml() {
        PluginHelper testHelper = new PluginHelper() {
            @Override
            protected String getRepositoryContent(String url) {
                return "invalid yaml content [[[";