Move from Travis CI to GitHub Actions

.github/workflows/test.yml

@@ -0,0 +1,45 @@
+name: Test
+on:
+  push:
+  pull_request:
+env:
+  FORCE_COLOR: 2
+jobs:
+  full:
+    name: Node.js 16 Full
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+      - name: Install Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: 16
+      - name: Install dependencies
+        uses: bahmutov/npm-install@v1
+      - name: Run tests
+        run: yarn test
+  short:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version:
+          - 14
+          - 12
+          - 10
+          - 8
+          - 6
+    name: Node.js ${{ matrix.node-version }} Quick
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+      - name: Install Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: Install dependencies
+        uses: bahmutov/npm-install@v1
+        with:
+          install-command: yarn --frozen-lockfile --ignore-engines
+      - name: Run unit tests
+        run: npx jest