CheckMetric - check if the given metric exists in the metrics data.

CheckMetricExposed - checks whether metric is exposed in the metrics URL.

GetOSDClusterID - is used by tests to get a ClusterID value of an existing OSD cluster.

GetRunningOsdClusterID - is used by tests to get a ClusterID value of an existing OSD cluster in a 'ready' state.

PersistClusterStruct to json file to be reused by tests that require a running cluster.

WaitForClusterIDToBeAssigned - Awaits for clusterID to be assigned to the designed cluster.

WaitForClustersMatchCriteriaToBeGivenCount - Awaits for the number of clusters with an assigned cluster id to be exactly `count`.

WaitForClusterStatus - Awaits for the cluster to reach the desired status.

WaitForClusterToBeDeleted - Awaits for the specified cluster to be deleted.

WaitForDinosaurCreateToBeAccepted - Creates a dinosaur and awaits for the request to be accepted.

WaitForDinosaurToBeDeleted - Awaits for a dinosaur to be deleted.

WaitForDinosaurToReachStatus - Awaits for a dinosaur to reach a specified status.

WaitForNumberOfDinosaurToBeGivenCount - Awaits for the number of dinosaurs to be exactly X.

Poller - This is the actual poller.

PollerBuilder is to be used to create a poller to check for an event to happens.