feat: test workflow 등록

Author: dlsrks1021

.github/workflows/test.yml

@@ -0,0 +1,35 @@
+name: Test
+on:
+  pull_request:
+    branches: [ dev ]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    env:
+      PROJECT_DIR: backend
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+      
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+
+      - name: Run tests
+        run: ./gradlew test
+        working-directory: ${{ env.PROJECT_DIR }}
+
+      - name: Upload test report
+        if: always()
+
+        uses: actions/upload-artifact@v4
+        with:
+          name: junit-test-report
+          path: ${{ env.PROJECT_DIR }}/build/reports/tests/test
+          include-hidden-files: true