install chromium to fix chrome not starting issue;

.gitlab-ci.yml

@@ -86,9 +86,19 @@ lint_fe:
   stage: test
 
 test_fe:
-  script:
+  before_script:
     - cd ./frontend
     - npm install
+    - apk add --no-cache \
+      chromium \
+      nss \
+      freetype \
+      freetype-dev \
+      harfbuzz \
+      ca-certificates \
+      ttf-freefont
+    - export CHROME_BIN=/usr/bin/chromium-browser
+  script:
     - npm run -- ng test
   cache:
     key: $CI_COMMIT_REF_SLUG-$CI_PROJECT_DIR