Refactoring functional test - extract assert_json method.
Refactoring functional test - extract assert_json method.

ari/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,ari/jobsworth,arunagw/clockingit,ari/jobsworth,evinoca/clockingit,webstream-io/jobsworth,webstream-io/jobsworth,arunagw/clockingit,xuewenfei/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,ari/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,rafaspinola/jobsworth,xuewenfei/jobsworth,rafaspinola/jobsworth,webstream-io/jobsworth,digitalnatives/jobsworth,arunagw/clockingit,digitalnatives/jobsworth,evinoca/clockingit,xuewenfei/jobsworth,digitalnatives/jobsworth,rafaspinola/jobsworth