Rename all test files from JS -> ES6

test/javascripts/lib/load-script-test.js

@@ -0,0 +1,21 @@
+import loadScript from "discourse/lib/load-script";
+
+QUnit.module("lib:load-script");
+
+QUnit.skip(
+  "load with a script tag, and callbacks are only executed after script is loaded",
+  async assert => {
+    assert.ok(
+      typeof window.ace === "undefined",
+      "ensures ace is not previously loaded"
+    );
+
+    const src = "/javascripts/ace/ace.js";
+
+    await loadScript(src);
+    assert.ok(
+      typeof window.ace !== "undefined",
+      "callbacks should only be executed after the script has fully loaded"
+    );
+  }
+);