using yarn instead of npm

.github/workflows/npm_test.yml

@@ -1,28 +1,26 @@
-name: npm test
-
 on:
   pull_request:
     branches:
+      - '**'
       - "**"
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
-  cancel-in-progress: true
 
 jobs:
-  test_pull_request:
+  build:
     runs-on: ubuntu-latest
+
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version-file: "web/.nvmrc"
-          cache: "yarn"
-          cache-dependency-path: "**/yarn.lock"
+          node-version-file: 'web/.nvmrc'
+          cache: 'yarn'
+          cache-dependency-path: '**/yarn.lock'
+      - name: Change directory to web
+        run: cd web
       - name: Install dependencies
         run: yarn
       - name: Run build
-        run: cd web
-        run: npm run build
-      - name: Run tests
-        run: npm test
+        run: yarn build