chore: Clean up unit test GitHub action (#88)

* Clean up unused test config

* Stop testing on Node.js v16

* Test license checker on Node.js v18 and v20

* Upgrade action versions to latest

.github/workflows/nodejs.yml

@@ -15,24 +15,17 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [16.x, 18.x, 19.x, 20.x]
+        node-version: [18.x, 19.x, 20.x]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
 
-      # workaround for failing tests on Node.js 14.x
-      # see https://github.com/actions/setup-node/issues/411
-      - name: Force install specific npm version
-        run: |
-          npm install --global [email protected]
-          npm install --global [email protected]
-
       - name: Install
         run: |
           npm install
@@ -49,55 +42,19 @@ jobs:
         run: |
           npm run test:acceptance
 
-  # TODO: migrate to Buildkite, Codecov is no longer used at Elastic
-  # code-coverage:
-  #   name: Code coverage
-  #   runs-on: ubuntu-latest
-
-  #   strategy:
-  #     matrix:
-  #       node-version: [18.x]
-
-  #   steps:
-  #     - uses: actions/checkout@v3
-
-  #     - name: Use Node.js ${{ matrix.node-version }}
-  #       uses: actions/setup-node@v2
-  #       with:
-  #         node-version: ${{ matrix.node-version }}
-
-  #     - name: Install
-  #       run: |
-  #         npm install
-
-  #     - name: Code coverage report
-  #       run: |
-  #         npm run test:coverage-report
-
-  #     - name: Upload coverage to Codecov
-  #       uses: codecov/codecov-action@v3
-  #       with:
-  #         file: ./coverage.lcov
-  #         fail_ci_if_error: true
-
-    # TODO: renabled this as soon as the project is back at 100%
-    # - name: Code coverage 100%
-    #   run: |
-    #     npm run test:coverage-100
-
   license:
     name: License check
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [18.x, 20.x]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v2
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}