public void AddBankProviders_Gives_Positional_Priority_To_Providers_Added_Last() { // Act _globalConfiguration.AddBankProviders(new List <AbstractBankProvider> { _bankProvider3, _bankProvider2, _bankProvider1 }); var expectedOrder = new List <AbstractBankProvider> { _bankProvider1, _bankProvider2, _bankProvider3 }; Assert.That(_globalConfiguration.BankProviders, Is.EqualTo(expectedOrder)); }