add one unit test for render index html page
Merge branch 'master' of https://github.com/Green-Snake-Platinum-Kangaroo/Green-Snake-Platinum-Kangaroo
Merge branch 'master' of https://github.com/Green-Snake-Platinum-Kangaroo/Green-Snake-Platinum-Kangaroo
Merge branch 'master' of https://github.com/Green-Snake-Platinum-Kangaroo/Green-Snake-Platinum-Kangaroo
Merge pull request #54 from victorleungtw/master

Add unit test