public async Task DeleteByPartitionAndRow()
{
var h = new Helper()
{
PartitionKey = Guid.NewGuid().ToString(),
RowKey = Guid.NewGuid().ToString(),
Id = Guid.NewGuid(),
};
await storage.InsertOrReplace(h);
await storage.DeleteByPartitionAndRow(h.PartitionKey, h.RowKey);
var returned = await storage.QueryByPartitionAndRow <Helper>(h.PartitionKey, h.RowKey);
Assert.IsNull(returned);
}