@Test
public void testGetExtensionBundlesWithEmptyFilterParams() {

    final Set<String> bucketIds = new HashSet<>();
    bucketIds.add("1");
    bucketIds.add("2");
    bucketIds.add("3");
    final List<BundleEntity> bundles = metadataService.getBundles(bucketIds, BundleFilterParams.empty());
    assertNotNull(bundles);
    assertEquals(3, bundles.size());
    bundles.forEach(b -> {
        assertTrue(b.getVersionCount() > 0);
        assertNotNull(b.getBucketName());
    });
}