Add tests.

.gitlab-ci.yml

+image: golang:1.7
+
+test:
+  type: test
+  script:
+    - mkdir -p /go/src/gitlab.com/lyda
+    - ln -s $PWD /go/src/gitlab.com/lyda/gqgmc
+    - cd /go/src/gitlab.com/lyda/gqgmc
+    - ./run_tests.sh