move tests to github actions

.github/workflows/ci.yml

@@ -0,0 +1,18 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  Tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        node-version: [8, 10, 12]
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+    steps:
+    - run: git config --global core.autocrlf false
+    - uses: actions/checkout@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: 'npm i && npm test'
+      env:
+        CI: true

.travis.yml

@@ -1,20 +0,0 @@
-language: node_js
-node_js:
-  - "8"
-  - "10"
-  - "12"
-env:
-  global:
-    - BUILD_TIMEOUT=20000
-
-addons:
-  apt:
-    packages:
-      - xvfb
-
-install:
-  - export DISPLAY=':99.0'
-  - Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
-  - npm ci || npm install
-
-after_success: npm run codecov

appveyor.yml

@@ -1,31 +0,0 @@
-# http://www.appveyor.com/docs/appveyor-yml
-
-version: "{build}"
-
-clone_depth: 10
-
-init:
-  - git config --global core.autocrlf false
-
-environment:
-  matrix:
-    - nodejs_version: 8
-    - nodejs_version: 10
-    - nodejs_version: 12
-
-install:
-  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version)
-  - npm ci || npm install
-
-build: off
-
-test_script:
-  - node --version && npm --version
-  - npm test
-
-matrix:
-  fast_finish: false
-
-# cache:
-#   - C:\Users\appveyor\AppData\Roaming\npm-cache -> package.json     # npm cache
-#   - node_modules -> package.json                                    # local npm modules