diff --git a/.github/workflows/build_prs.yaml b/.github/workflows/build_prs.yaml
index 1b6555f5dc..5bc1a15f4f 100644
--- a/.github/workflows/build_prs.yaml
+++ b/.github/workflows/build_prs.yaml
@@ -17,6 +17,8 @@ jobs:
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'yarn'
+      - run: cd frontend && yarn install --frozen-lockfile && yarn build
       - run: yarn install --frozen-lockfile --ignore-scripts
-      - run: yarn lint
-      - run: yarn build:backend
+      - run: yarn run lint
+      - run: yarn run test
+      - run: yarn run build:backend