test: coverage and test cases

.github/workflows/test.yml

@@ -0,0 +1,23 @@
+name: Publish the Errsole MongoDB package to npm
+on:
+  push:
+    branches:
+      - master
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: '18.x'
+          registry-url: 'https://registry.npmjs.org'
+      - run: npm install
+      # Run tests and generate coverage report
+      - run: npm test -- --coverage
+        continue-on-error: false
+      # Send the coverage report to Coveralls
+      - run: npm install coveralls --save-dev
+      - run: cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_MONGODB_TOKEN }}