Resolve "xta-test-server helm-chart mit Deployment und Keystore-Secrets/Certificate-Resources"

Closes #2 (closed)

.gitlab-ci.yml

@@ -42,9 +42,8 @@ test:
 test-helm:
   stage: test
   extends: .helm
-  before_script:
-    - helm plugin install https://github.com/helm-unittest/helm-unittest.git
   script:
+    - helm plugin install https://github.com/helm-unittest/helm-unittest.git
     - helm template  ./src/main/helm/ -f src/test/helm-linter-values.yaml
     - helm lint -f src/test/helm-linter-values.yaml ./src/main/helm/
     - cd src/main/helm && helm unittest  -f '../../test/helm/**/*test.yaml' .