@Test
public void testReleaseIdToEmptyProjects() throws Exception {

    SetMultimap<String, ProjectWithReleaseRelationTuple> releaseIdToProjects = handler.releaseIdToProjects(new Project().setId("p4"), user1);
    Set<String> releaseIds = releaseIdToProjects.keySet();
    assertTrue("Release IDs size", releaseIds.size() == 0);
}