[Tests] migrate tests to Github Actions

.github/workflows/node-8+.yml

@@ -0,0 +1,55 @@
+name: 'Tests: node.js'
+
+on: [pull_request, push]
+
+jobs:
+  matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      latest: ${{ steps.set-matrix.outputs.requireds }}
+      minors: ${{ steps.set-matrix.outputs.optionals }}
+    steps:
+      - uses: ljharb/actions/node/matrix@main
+        id: set-matrix
+        with:
+          preset: '>=8'
+
+  latest:
+    needs: [matrix]
+    name: 'latest minors'
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix: ${{ fromJson(needs.matrix.outputs.latest) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run tests-only'
+        with:
+          node-version: ${{ matrix.node-version }}
+          command: 'tests-only'
+  minors:
+    needs: [matrix, latest]
+    name: 'non-latest minors'
+    continue-on-error: true
+    if: ${{ !github.head_ref || !startsWith(github.head_ref, 'renovate') }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix: ${{ fromJson(needs.matrix.outputs.minors) }}
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run tests-only'
+        with:
+          node-version: ${{ matrix.node-version }}
+          command: 'tests-only'
+
+  node:
+    name: 'node 4+'
+    needs: [latest, minors]
+    runs-on: ubuntu-latest
+    steps:
+      - run: 'echo tests completed'

.github/workflows/node-pretest.yml

@@ -0,0 +1,26 @@
+name: 'Tests: pretest/posttest'
+
+on: [pull_request, push]
+
+jobs:
+  pretest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run pretest'
+        with:
+          node-version: 'lts/*'
+          command: 'pretest'
+
+  posttest:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ljharb/actions/node/run@main
+        name: 'npm install && npm run posttest'
+        with:
+          node-version: 'lts/*'
+          command: 'posttest'

.npmrc

@@ -1,3 +1,4 @@
 package-lock=false
 allow-same-version=true
 message=v%s
+audit-level=moderate

.nycrc

@@ -1,6 +1,6 @@
 {
 	"all": true,
-	"check-coverage": true,
+	"check-coverage": false,
 	"reporter": ["text-summary", "text", "html", "json"],
 	"lines": 100,
 	"statements": 100,

package.json

@@ -19,7 +19,7 @@
 		"prelint": "evalmd README.md",
 		"lint": "eslint .",
 		"pretest": "npm run lint",
-		"tests-only": "nyc tape test",
+		"tests-only": "nyc tape 'test/**/*.js'",
 		"test": "npm run tests-only",
 		"posttest": "npx aud --production",
 		"version": "auto-changelog && git add CHANGELOG.md",