- Testing (math_test): Fix undeclared variables

- Testing: Move JavaScript out of HTML to own files
- Linting: ESLint; unfinished: editor/extensions/, editor/ (root); some of test

test/jquery-svg_test.js

@@ -0,0 +1,10 @@
+/* eslint-env qunit */
+/* globals $ */
+$(function () {
+	// log function
+	QUnit.log = function (details) {
+		if (window.console && window.console.log) {
+			window.console.log(details.result + ' :: ' + details.message);
+		}
+	};
+});