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/global-var-let-const.js

@@ -0,0 +1,21 @@
+var foo = 1;
+let bar = 2;
+const baz = 3;
+
+test("behavior of program-level var/let/const", () => {
+    expect(foo).toBe(1);
+    expect(bar).toBe(2);
+    expect(baz).toBe(3);
+    expect(globalThis.foo).toBe(1);
+    expect(globalThis.bar).toBeUndefined();
+    expect(globalThis.baz).toBeUndefined();
+    globalThis.foo = 4;
+    globalThis.bar = 5;
+    globalThis.baz = 6;
+    expect(foo).toBe(4);
+    expect(bar).toBe(2);
+    expect(baz).toBe(3);
+    expect(globalThis.foo).toBe(4);
+    expect(globalThis.bar).toBe(5);
+    expect(globalThis.baz).toBe(6);
+});