@Test
public void testGetExtensionBundleByGroupArtifact() {

    final String bucketId = "3";
    final String group = "org.apache.nifi";
    final String artifact = "nifi-example-service-api-nar";
    final BundleEntity entity = metadataService.getBundle(bucketId, group, artifact);
    assertNotNull(entity);
    assertEquals(bucketId, entity.getBucketId());
    assertEquals(group, entity.getGroupId());
    assertEquals(artifact, entity.getArtifactId());
}