Add GitHub Actions workflow for testing Movie Rating API

Author: rick-five

.github/workflows/test.yml

@@ -0,0 +1,59 @@
+name: Test Movie Rating API
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    services:
+      postgres:
+        image: postgres:13
+        env:
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: test_db
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: 1.23
+
+      - name: Install dependencies
+        run: |
+          go mod tidy
+
+      - name: Run unit tests
+        run: go test -v ./...
+
+      - name: Build application
+        run: go build -o robin-camp
+
+      - name: Validate OpenAPI specifications
+        run: |
+          npm install -g @apidevtools/swagger-cli
+          npx swagger-cli validate .github/workflows/openapi.yml
+          npx swagger-cli validate .github/workflows/boxoffice.openapi.yml
+
+      - name: Run end-to-end tests
+        run: |
+          chmod +x ./e2e-test.sh
+          ./e2e-test.sh
+        env:
+          AUTH_TOKEN: test_token
+          DB_URL: postgres://postgres:postgres@localhost:5432/test_db?sslmode=disable
+          BOXOFFICE_URL: https://mock.apifox.com/m1/4288164-0-default
+          BOXOFFICE_API_KEY: test_api_key