TravisCI: Fixing the CI build

Co-authored-by: Akshat Singh <akshatsingh@Akshats-MacBook-Air.local>

Author: Akshat453

frontend/tests/controllers-test/featuredChallengeCtrl.test.js

@@ -274,8 +274,9 @@ describe('Unit tests for featured challenge controller', function () {
             };
 
             vm.getLeaderboard(1);
-             
-            expect(vm.leaderboard[0].timeSpan).toBe('days');
+          
+            expect(vm.leaderboard[0].timeSpan).toBe('month')
+
         });
 
         it('should set timeSpan to "months" for 3 months ago', function () {