Add separate workflow for Node.js 16 with compatible Jest version

Author: ayonious

.github/workflows/node16-tests.yml

@@ -0,0 +1,45 @@
+name: Node.js 16 Tests
+
+on:
+  schedule:
+    # Run every hour
+    - cron: '0 * * * *'
+  # Also run on push to main branch
+  push:
+    branches: [ main ]
+  # Allow manual triggering
+  workflow_dispatch:
+
+jobs:
+  node16-tests:
+    name: Node.js 16.x Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Node.js 16.x
+        uses: actions/setup-node@v3
+        with:
+          node-version: '16.x'
+          cache: 'yarn'
+
+      - name: Install dependencies
+        run: |
+          # Remove incompatible Jest 30.x
+          yarn remove jest
+          # Install Jest 29.x which is compatible with Node.js 16
+          yarn add jest@29 --dev
+
+      - name: Run unit tests
+        run: yarn test:unit
+
+      - name: Upload test results
+        if: always()
+        uses: actions/upload-artifact@v3
+        with:
+          name: node16-test-results
+          path: |
+            junit.xml
+          retention-days: 7 

README.md

@@ -1,6 +1,7 @@
 # E2E Tests for console-table-printer and simple-wcswidth
 
 ![Hourly Tests](https://github.com/console-table-printer/e2e/workflows/Hourly%20Tests/badge.svg)
+![Node.js 16 Tests](https://github.com/console-table-printer/e2e/workflows/Node.js%2016%20Tests/badge.svg)
 
 This repository contains end-to-end tests for the [console-table-printer](https://github.com/ayonious/console-table-printer) and [simple-wcswidth](https://github.com/ayonious/simple-wcswidth) packages.
 
@@ -56,7 +57,9 @@ This repository uses GitHub Actions to run tests automatically:
 
 - Tests run hourly to ensure continuous compatibility
 - Tests run on every push to the main branch
-- Unit tests run on multiple Node.js versions (16.x, 18.x, 20.x, 22.x, 24.x)
+- Unit tests run on multiple Node.js versions:
+  - Node.js 16.x (using Jest 29.x for compatibility)
+  - Node.js 18.x, 20.x, 22.x, 24.x (using Jest 30.x)
 - E2E tests run after unit tests pass
 - Manual test runs can be triggered from the Actions tab in GitHub