Revert "Merge pull request #4 from openlikes/use-jsdom"

This reverts commit 213e29faa6534cfc75bad4cbdaf2ed3624a83943, reversing
changes made to 01f45934ada43f8ce11616027ed9c8c55a7aa7ec.
Add tests for fail cases
Add tests and use forked cornet repo
Merge pull request #5 from openlikes/fail-cases-with-cornet

Revert back to cornet and use forked repo