Build: Run Karma browser tests on Node.js 10 instead of 8

Node.js 10 has been in Active LTS since 2018-04-24 and Node.js 8 is now in
maintenance mode.

See https://github.com/nodejs/Release for more details.

Closes gh-4311

diff --git a/.travis.yml b/.travis.yml
index c528d1651d495b18f4cf750d3fb3a178def2edb4..01111e1102c92fc79fd88c16fb8efb03774ebadb 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ env:
 matrix:
   include:
     # Run browser tests only on one Node.js version to save time.
-    - node_js: "8"
+    - node_js: "10"
       env: NPM_SCRIPT=test:browser
 script:
   - npm run $NPM_SCRIPT