Add tests coverage report badge to README

Former-commit-id: 06ac1c26

Add tests coverage report badge to README
b1fc070f · Grzegorz Bizon · b764592b · b1fc070f
Commit b1fc070f authored 8 years ago by Grzegorz Bizon
--- a/README.md
+++ b/README.md
 # GitLab
  
 [![build status](https://gitlab.com/gitlab-org/gitlab-ce/badges/master/build.svg)](https://gitlab.com/gitlab-org/gitlab-ce/commits/master)
+[![coverage report](https://gitlab.com/gitlab-org/gitlab-ce/badges/master/coverage.svg?job=coverage)](https://gitlab.com/gitlab-org/gitlab-ce/commits/master)
 [![Code Climate](https://codeclimate.com/github/gitlabhq/gitlabhq.svg)](https://codeclimate.com/github/gitlabhq/gitlabhq)
  
 ## Canonical source