Merge branch 'master' into update-event-docs

.travis.yml

@@ -10,6 +10,7 @@ node_js:
 addons:
   firefox: latest  # version 55.0 - 57.x have an issue with screenshots.
   # firefox: 54.0.1
+  # Chrome 68 breaks headless gl testing, so this is replaced later
   chrome: stable
   apt:
     packages:
@@ -41,6 +42,10 @@ before_install:
   - npm install -g npm@latest
   # Prune the npm packages.  If this fails for any reason, just remove them all
   - npm prune || rm -r node_modules
+  # Get a specific version of Chrome
+  - curl -L -C - https://www.slimjet.com/chrome/download-chrome.php?file=lnx%2Fchrome64_67.0.3396.79.deb -o "${HOME}/cache/chrome64_67.0.3396.79.deb"
+  - sudo dpkg -i "${HOME}/cache/chrome64_67.0.3396.79.deb"
+  - google-chrome --version
 
 install:
   # travis moved to "npm ci", but that fails with canvas-prebuilt as it tries