public async Task ListStorageAccountAvailableLocations()
{
//create storage account
string accountName = await CreateValidAccountNameAsync(namePrefix);
_resourceGroup = await CreateResourceGroupAsync();
StorageAccountContainer storageAccountContainer = _resourceGroup.GetStorageAccounts();
StorageAccountCreateParameters parameters = GetDefaultStorageAccountParameters();
StorageAccount account = (await storageAccountContainer.CreateOrUpdateAsync(accountName, parameters)).Value;
//get available locations
IEnumerable <Location> locationList = await account.GetAvailableLocationsAsync();
Assert.NotNull(locationList);
}