add babel jest for test dep

Author: ShMcK

Diff for: .github/workflows/test.yml

@@ -11,6 +11,8 @@ jobs:
         run: yarn test
   build-web:
     runs-on: ubuntu-latest
+    env:
+      SKIP_PREFLIGHT_CHECK: true
     steps:
       - uses: actions/checkout@v2
       - name: Install modules

Diff for: web-app/package.json

@@ -29,6 +29,7 @@
     "@alifd/theme-4": "^0.3.1",
     "@emotion/babel-preset-css-prop": "^10.0.27",
     "@emotion/core": "^10.0.28",
+    "babel-jest": "^26.1.0",
     "js-yaml": "^3.14.0",
     "markdown-it": "^11.0.0",
     "markdown-it-emoji": "^1.4.0",