Fix $q.when definition

angularjs/angular-tests.ts

@@ -94,6 +94,7 @@ module HttpAndRegularPromiseTests {
         person: Person;
         theAnswer: number;
         letters: string[];
+		snack: string;
     }
 
     var someController: Function = ($scope: SomeControllerScope, $http: ng.IHttpService, $q: ng.IQService) => {
@@ -132,6 +133,12 @@ module HttpAndRegularPromiseTests {
         cPromise.then((letters: string[]) => {
             $scope.letters = letters;
         });
+
+		// When $q.when is passed an IPromise<T>, it returns an IPromise<T>
+		var dPromise: ng.IPromise<string> = $q.when($q.when("ALBATROSS!"));
+		dPromise.then((snack: string) => {
+			$scope.snack = snack;
+		});
     }
 
   // Test that we can pass around a type-checked success/error Promise Callback