Tests: use local jtr

Author: timmywil

package.json

@@ -73,6 +73,7 @@
 		"grunt-eslint": "24.0.1",
 		"grunt-git-authors": "3.2.0",
 		"grunt-html": "17.1.0",
+		"jquery-test-runner": "file:../..",
 		"load-grunt-tasks": "5.1.0",
 		"rimraf": "6.0.1",
 		"selenium-webdriver": "4.26.0",