public void OnImportsSatisfiedTest() { var vm = new LoginViewModel(); var localSettings = Mock.Create<ILocalSettingsSerivce>(); Mock.Arrange(() => localSettings.GetLoginInfo()).Returns(new LoginInfo()); Mock.Arrange(() => localSettings.HaveLoginInfo()).Returns(true); vm.LocalSettingsService = localSettings; vm.TheEventAggregator = Mock.Create<IEventAggregator>(); vm.OnImportsSatisfied(); }