private List<CloudBlobMetadata> doQueryChangeFeed() {
    List<CloudBlobMetadata> changeFeed = new ArrayList<>();
    CosmosChangeFeedRequestOptions mockFeedRequestOptions = mock(CosmosChangeFeedRequestOptions.class);
    cosmosAccessor.queryChangeFeedAsync(mockFeedRequestOptions, changeFeed, azureMetrics.changeFeedQueryTime).join();
    return changeFeed;
  }
Utility method to run metadata query with default parameters.
ambry-cloud/src/test/java/com/github/ambry/cloud/azure/CosmosDataAccessorTest.java