Test against golang 1.8

.gitlab-ci.yml

-image: golang:1.5
-
 # Put the go sources in GOPATH
 # This is required to make the vendor working
 before_script:
@@ -23,3 +21,9 @@ test:1.7:
   script:
   - make verify
   - make acceptance
+
+test:1.8:
+  image: golang:1.8
+  script:
+  - make verify
+  - make acceptance
\ No newline at end of file