Install babel-prese-react-app

.gitlab-ci.yml

@@ -8,8 +8,9 @@ test:
     paths:
       - "$CI_PROJECT_DIR/.pnpm-store"
   before_script:
-    - npm install -g pnpm js-yaml jest
+    - npm install -g pnpm 
     - pnpm install 
+    - pnpm install js-yaml jest
   script:
     - jest src/ --coverage --coverageReporters cobertura
   coverage: /All\sfiles.*?\s+(\d+.\d+)/

package.json

@@ -37,6 +37,7 @@
     "@types/react": "^17.0.0",
     "@types/react-dom": "^17.0.0",
     "@types/snowpack-env": "^2.3.2",
+    "babel-preset-react-app": "^10.0.0",
     "jest-cli": "^26.6.3",
     "jest-each": "^26.6.2",
     "prettier": "^2.0.5",