feat : main으로 pr 생성할때, test 검증하는 yml 파일 작성

.github/workflows/pull-request-test.yml

@@ -0,0 +1,26 @@
+name: pull-request-test
+
+on:
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '19'
+
+      - name: Install package manager
+        run: pnpm install
+
+      - name: Run Jest Test
+        run: pnpm test
+