Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Tests/functions/function-this-in-arguments.js

@@ -0,0 +1,16 @@
+test("basic functionality", () => {
+    expect(typeof this).toBe("object");
+    expect(this).toBe(globalThis);
+});
+
+test("this inside instantiated functions is not globalThis", () => {
+    let functionThis;
+    function Foo() {
+        this.x = 5;
+        functionThis = this;
+    }
+
+    new Foo();
+    expect(typeof functionThis).toBe("object");
+    expect(functionThis.x).toBe(5);
+});