Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/93712b24bf2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Tests/builtins/DisposableStack/DisposableStack.js

@@ -0,0 +1,18 @@
+test("constructor properties", () => {
+    expect(DisposableStack).toHaveLength(0);
+    expect(DisposableStack.name).toBe("DisposableStack");
+});
+
+describe("errors", () => {
+    test("called without new", () => {
+        expect(() => {
+            DisposableStack();
+        }).toThrowWithMessage(TypeError, "DisposableStack constructor must be called with 'new'");
+    });
+});
+
+describe("normal behavior", () => {
+    test("typeof", () => {
+        expect(typeof new DisposableStack()).toBe("object");
+    });
+});