private async Task CreateDb()
{
var database = _documentClient.CreateDatabaseQuery()
.Where(d => d.Id == _databaseId)
.AsEnumerable()
.FirstOrDefault();
Assert.NotNull(
await _databaseProvider.CreateOrGetDb());
Assert.NotNull(
this._documentClient.CreateDatabaseQuery()
.Where(d => d.Id == _databaseId)
.AsEnumerable()
.FirstOrDefault());
}