public void ClearDefaultAzureSubscriptionClearsDefault()
        {
            MockDataStore dataStore = new MockDataStore();
            ProfileClient.DataStore = dataStore;
            ProfileClient client = new ProfileClient();
            client.Profile.Accounts[azureAccount.Id] = azureAccount;
            client.AddOrSetEnvironment(azureEnvironment);
            client.AddOrSetSubscription(azureSubscription2);

            Assert.Null(client.Profile.DefaultSubscription);
            client.SetSubscriptionAsDefault(azureSubscription2.Name, azureSubscription2.Account);
            Assert.Equal(azureSubscription2.Id, client.Profile.DefaultSubscription.Id);

            client.ClearDefaultSubscription();

            Assert.Null(client.Profile.DefaultSubscription);
        }