@Test(expected = IllegalArgumentException.class)
public void testFailureFOnEmptyPredicates() {

  PowerMockito.when(DocumentStoreUtils.isNullOrEmpty(
      ArgumentMatchers.any()))
      .thenReturn(Boolean.TRUE);
  CosmosDBDocumentStoreReader cosmosDBDocumentStoreReader =
      new CosmosDBDocumentStoreReader(null);
  cosmosDBDocumentStoreReader.addPredicates(
      new TimelineReaderContext(null, "", "",
          null, "", "", null),
      "DummyCollection", new StringBuilder());
}