name: Verify changes

on: [push]

jobs:       
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [6.x, 8.x, 10.x, 12.x]

    steps:
      - uses: actions/checkout@v1
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - name: npm install and test
        run: |
          npm install
          npm test

Use GitHub Actions for CI
Use GitHub Actions for CI

..as getting Travis CI to test this project was easier
said that done.