@Test
public void testListRevision()  {

  Id itemId = new Id();
  Id versionId = new Id();
  mockExistingVersion(Space.PRIVATE, itemId, versionId);
  ItemVersionRevisions retrievedRevision = new ItemVersionRevisions();
  doReturn(new Response<>(retrievedRevision)).when(collaborationAdaptorMock)
      .listItemVersionRevisions(context, itemId, versionId);
  ItemVersionRevisions history = itemVersionManagerImpl.listRevisions(context, itemId, versionId);
  Assert.assertEquals(history, retrievedRevision);
}