Build: Test on jQuery 4.x separately to jQuery 3.x

Having separate test runs for those jQuery lines is necessary as they support
different browsers. Android 4.0 fails hard when run against jQuery master code.

Author: mgol

Gruntfile.js

@@ -30,9 +30,12 @@ module.exports = function( grunt ) {
 		tests: {
 			jquery: [
 				"dev+git",
-				"min+git.min",
+				"min+git.min"
+			],
+			"jquery-3": [
 				"dev+3.x-git",
 				"min+3.x-git.min",
+				"dev+3.5.0",
 				"dev+3.4.1",
 				"dev+3.3.1",
 				"dev+3.2.1",

build/tasks/testswarm.js

@@ -19,7 +19,9 @@ module.exports = function( grunt ) {
 			browserSets = JSON.parse( browserSets );
 		}
 		timeout = timeout || 1000 * 60 * 15;
-		tests = grunt.config( "tests" ).jquery;
+		tests = grunt.config( "tests" )[
+			Array.isArray( browserSets ) ? browserSets[ 0 ] : browserSets ||
+				"jquery" ];
 
 		if ( pull ) {
 			jobName = "Pull <a href='https://github.com/jquery/jquery-migrate/pull/" +

package-lock.json

@@ -36,7 +36,7 @@
 		"grunt-contrib-watch": "1.1.0",
 		"grunt-eslint": "21.0.0",
 		"grunt-karma": "3.0.2",
-		"jquery": "3.4.1",
+		"jquery": "3.5.0",
 		"karma": "4.1.0",
 		"karma-browserstack-launcher": "1.5.1",
 		"karma-chrome-launcher": "2.2.0",