Create Github action to run tests

Also remove .travis.yml since tests no longer run on Travis

.github/workflows/karma-tests.yml

@@ -0,0 +1,33 @@
+# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+     DISPLAY: :99.0
+
+    strategy:
+      matrix:
+        node-version: [14.x]
+        # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - name: Run Karma tests
+      uses: GabrielBB/xvfb-action@v1
+      with:
+          run: make check ARGS=--single-run

.travis.yml

@@ -1,15 +0,0 @@
-dist: bionic
-language: node_js
-cache:
-    directories:
-        - node_modules
-addons:
-  chrome: stable
-node_js:
- - "14"
-install: make node_modules
-services:
-  - xvfb
-before_script:
-  - export DISPLAY=:99.0
-script: make check ARGS=--single-run