Fix one missed unit test spec.

Author: stefannegrea

test/unit/calendarService.spec.js

@@ -11,9 +11,9 @@ describe("calendar service", function() {
 
     beforeEach(module("materialCalendar"));
 
-    beforeEach(inject(function(_Calendar_){
+    beforeEach(inject(["materialCalendar.Calendar", function(_Calendar_){
         Calendar = new _Calendar_();
-    }));
+    }]));
 
     it("should have all public methods defined", function() {
         expect(Calendar).toBeDefined();