private void markContainerPlacementActionFailed(ContainerPlacementMetadata metaData, String failureMessage) {
    samzaApplicationState.failedContainerPlacementActions.incrementAndGet();
    updateContainerPlacementActionStatus(metaData, ContainerPlacementMessage.StatusCode.FAILED, failureMessage);
  }
This method is only used for Testing the Container Placement actions to get a hold of {@link ContainerPlacementMetadata}
for assertions. Not intended to be used in src
samza-core/src/main/java/org/apache/samza/clustermanager/ContainerManager.java