Tests: temporarily require sudo access for karma:main on travis

- This should fix the broken travis build on Node 8
- See https://github.com/travis-ci/travis-ci/issues/8836

diff --git a/Gruntfile.js b/Gruntfile.js
index 431e87557748c7d12ba5a208e1d56c04e7c88e68..655d0956187802b2aff7362283ad30e2caa9937b 100644 (file)
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -220,7 +220,13 @@ module.exports = function( grunt ) {
                        },
                        main: {
                                browsers: [ "ChromeHeadless" ],
-                               singleRun: true
+                               singleRun: true,
+
+                               // Temporary workaround.
+                               // Karma can't access the binaries on travis
+                               // without root access.
+                               // See https://github.com/travis-ci/travis-ci/issues/8836
+                               sudo: "required"
                        },
                        chrome: {
                                browsers: [ "Chrome" ]