@Test
public void testGet()  {

  Id itemId = new Id();
  doReturn(true).when(itemManagerMock).isExist(context, itemId);
  Id versionId = new Id();
  ItemVersion retrievedVersion = TestUtils.createItemVersion(versionId, new Id(), "v1");
  doReturn(new Response<>(retrievedVersion)).when(stateAdaptorMock)
      .getItemVersion(context, Space.PRIVATE, itemId, retrievedVersion.getId());
  ItemVersion version =
      itemVersionManagerImpl.get(context, Space.PRIVATE, itemId, versionId,null);
  Assert.assertEquals(version, retrievedVersion);
}