Revert "tmp rm tests"

This reverts commit 7032516c

.gitlab-ci.yml

 stages:
   - github-sync
   - build
+  - test
   - package
   - prerelease
   - release
@@ -38,6 +39,13 @@ build:
   script:
     - yarn
 
+test:
+  <<: *nvm_env
+  stage: test
+  script:
+    - yarn
+    - yarn test
+
 .build_releases: &build_releases
   stage: package
   allow_failure: false