chore: stop using PhantomJS for tests

Author: thgreasi

test/karma.conf.js

@@ -71,7 +71,7 @@ module.exports = function(config) {
     // - Safari (only Mac; has to be installed with `npm install karma-safari-launcher`)
     // - PhantomJS
     // - IE (only Windows; has to be installed with `npm install karma-ie-launcher`)
-    browsers: ['Chrome', 'Firefox', 'PhantomJS'],
+    browsers: ['Chrome', 'Firefox'/*, 'PhantomJS'*/],
 
 
     // If browser does not capture in given timeout [ms], kill it