[enh] ci: separate unit tests from sync tests

.gitlab-ci.yml

@@ -80,8 +80,6 @@ test:
     # Clean the dump directory before testing
     - rm -rf /tmp/duniter_ci_dump/
     - mkdir -p /tmp/duniter_ci_dump/
-    - bash .gitlab/test/check_g1_sync.sh
-    - bash .gitlab/test/check_gt_sync.sh
     # Code coverage display in GitLab
     - tar cvzf coverage.tar.gz coverage/
     - sed -n 23p coverage/index.html | grep -Po "\d+.\d+" | sed -e "s/\(.*\)/<coverage>\1%<\/coverage>/"
@@ -91,6 +89,20 @@ test:
       - coverage.tar.gz
     expire_in: 4h
 
+test_sync:
+  <<: *nvm_env
+  stage: test
+  cache:
+    untracked: true
+    paths:
+      - node_modules/
+  script:
+    # Clean the dump directory before testing
+    - rm -rf /tmp/duniter_ci_dump/
+    - mkdir -p /tmp/duniter_ci_dump/
+    - bash .gitlab/test/check_g1_sync.sh
+    - bash .gitlab/test/check_gt_sync.sh
+
 .build_releases: &build_releases
   stage: package
   allow_failure: false