update GitHub Actions workflow for unit testing and coverage reporting

Author: harshitha-cstk

.github/workflows/coverage-check.yml

@@ -1,16 +1,11 @@
-name: 'Coverage Check'
+name: 'TS SDK - Unit Testing'
 
 on:
   pull_request:
     branches:
       - development
       - staging
       - main
-  push:
-    branches:
-      - development
-      - staging
-      - main
 
 jobs:
   coverage:
@@ -21,52 +16,26 @@ jobs:
       checks: write
 
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
+      - uses: actions/checkout@v4
+      
+      - uses: ArtiomTr/jest-coverage-report-action@v2
+        id: coverage
         with:
-          node-version: '18'
-          cache: 'npm'
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Run unit tests with coverage
-        run: npm test -- --coverage --testMatch="**/test/unit/**/*.spec.ts" --coverageReporters=json-summary --coverageReporters=text --coverageReporters=lcov
-
-      - name: Jest Coverage Report (PR Comment)
-        if: github.event_name == 'pull_request'
-        uses: artiomtr/jest-coverage-report-action@v2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          coverage-file: ./reports/contentstack-delivery/coverage/coverage-summary.json
-          base-coverage-file: ./reports/contentstack-delivery/coverage/coverage-summary.json
+          test-script: npm test -- --coverage --testMatch="**/test/unit/**/*.spec.ts"
           threshold: 95
-          working-directory: ./
-          skip-step: all
-
-      - name: Verify coverage threshold
-        run: |
-          COVERAGE=$(node -pe "
-            const c = JSON.parse(require('fs').readFileSync('reports/contentstack-delivery/coverage/coverage-summary.json')).total;
-            const threshold = 95;
-            const metrics = ['statements', 'branches', 'functions', 'lines'];
-            const failed = metrics.filter(m => c[m].pct < threshold);
-            if (failed.length) {
-              console.log('❌ Coverage below 95%: ' + failed.join(', '));
-              process.exit(1);
-            }
-            console.log('✅ All coverage metrics meet the 95% threshold');
-          ")
-
-      - name: Upload coverage reports
+          output: report-markdown
+          coverage-file: reports/contentstack-delivery/coverage/coverage-summary.json
+          
+      - uses: marocchino/sticky-pull-request-comment@v2
         if: always()
-        uses: actions/upload-artifact@v4
         with:
-          name: coverage-report
-          path: |
-            reports/contentstack-delivery/coverage
-          retention-days: 30
-
+          message: ${{ steps.coverage.outputs.report }}
+          
+      - name: Test Report
+        uses: dorny/test-reporter@v1
+        if: success() || failure()
+        with:
+          name: Unit Tests
+          path: /reports/contentstack-delivery/html
+          reporter: jest-html-reporters
+          fail-on-error: true