public async Task TheWorkflowInstanceStoreIsEmpty()
{
ITenantedWorkflowInstanceStoreFactory storeFactory = this.serviceProvider.GetRequiredService <ITenantedWorkflowInstanceStoreFactory>();
IWorkflowInstanceStore store = await storeFactory.GetWorkflowInstanceStoreForTenantAsync(this.transientTenantManager.PrimaryTransientClient).ConfigureAwait(false);
IEnumerable <string> instanceIds = await store.GetMatchingWorkflowInstanceIdsForSubjectsAsync(Array.Empty <string>(), int.MaxValue, 0).ConfigureAwait(false);
foreach (string current in instanceIds)
{
await store.DeleteWorkflowInstanceAsync(current).ConfigureAwait(false);
}
}