fix gitlab-ci

.gitlab-ci.yml

@@ -27,9 +27,9 @@ variables:
 regression_tests:
   stage: test
   before_script:
-    - sudo apt-get update
-    - sudo apt-get install apt-transport-https ca-certificates -y
-    - sudo update-ca-certificates
+    - apt update
+    - apt install apt-transport-https ca-certificates -y
+    - update-ca-certificates
     - npm install --global gulp gulp-cli babel babel-cli babel-core babel-register mocha gulp-mocha gulp-eslint
     - npm install
     - gulp build && gulp &