Build: Run tests on Travis only on browsers defined in the config

The environmental variable BROWSERS was being created but it wasn't read in the list of browsers to pass to Karma. Closes gh-4532
jquery · Oct 22, 2019 · bcbcdd2 · bcbcdd2
1 parent 2d5ad6d
commit bcbcdd2
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Gruntfile.js b/Gruntfile.js
@@ -13,7 +13,9 @@ module.exports = function( grunt ) {
 	}
 
 	var fs = require( "fs" ),
-		gzip = require( "gzip-js" );
+		gzip = require( "gzip-js" ),
+		isTravis = process.env.TRAVIS,
+		travisBrowsers = process.env.BROWSERS && process.env.BROWSERS.split( "," );
 
 	if ( !grunt.option( "filename" ) ) {
 		grunt.option( "filename", "jquery.js" );
@@ -190,7 +192,7 @@ module.exports = function( grunt ) {
 				singleRun: true
 			},
 			main: {
-				browsers: [ "ChromeHeadless", "FirefoxHeadless" ]
+				browsers: isTravis && travisBrowsers || [ "ChromeHeadless", "FirefoxHeadless" ]
 			},
 
 			jsdom: {