Small fix on test.

Author: gfzabarino

test/models/file.js

@@ -193,19 +193,21 @@ describe('<Unit Test>', function() {
     });
 
     afterEach(function(done) {
-      var entities = [];
       if (entity) {
-        entities.push(entity);
+        entity.destroy().success(done).error(done);
         entity = undefined;
+      } else {
+        done();
       }
+    });
+
+    after(function(done) {
       if (challenge) {
-        entities.push(challenge);
+        challenge.destroy().success(done).error(done);
         challenge = undefined;
+      } else {
+        done();
       }
-      async.forEach(entities, function (entity, callback) {
-        entity.destroy().success(callback)
-        .error(callback);
-      }, done);
     });
   });
 });