void CreateExceptionThrowingRegisteredPackageRepositories()
		{
			exceptionThrowingRegisteredPackageRepositories = new ExceptionThrowingRegisteredPackageRepositories();
		}
		public void ReadPackages_ExceptionThrownWhenAccessingActiveRepository_ErrorMessageFromExceptionNotOverriddenByReadPackagesCall()
		{
			var registeredRepositories = new ExceptionThrowingRegisteredPackageRepositories();
			registeredRepositories.ExeptionToThrowWhenRecentPackageRepositoryAccessed = 
				new Exception("Test");
			CreateViewModel(registeredRepositories);
			
			viewModel.ReadPackages();
			
			ApplicationException ex = Assert.Throws<ApplicationException>(CompleteReadPackagesTask);
			Assert.AreEqual("Test", ex.Message);
		}