fix(ngDocSpec): fix broken tests

Author: IgorMinar

docs/spec/ngdocSpec.js

@@ -35,7 +35,7 @@ describe('ngdoc', function() {
         var d2 = new Doc('@name a.b.ng-c').parse();
         var d3 = new Doc('@name some text: more text').parse();
         expect(ngdoc.metadata([d1])[0].shortName).toEqual('c');
-        expect(ngdoc.metadata([d2])[0].shortName).toEqual('ng:c');
+        expect(ngdoc.metadata([d2])[0].shortName).toEqual('ng-c');
         expect(ngdoc.metadata([d3])[0].shortName).toEqual('more text');
       });