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/builtins/Math/Math.abs.js

@@ -0,0 +1,14 @@
+test("basic functionality", () => {
+    expect(Math.abs).toHaveLength(1);
+
+    expect(Math.abs("-1")).toBe(1);
+    expect(Math.abs(-2)).toBe(2);
+    expect(Math.abs(null)).toBe(0);
+    expect(Math.abs("")).toBe(0);
+    expect(Math.abs([])).toBe(0);
+    expect(Math.abs([2])).toBe(2);
+    expect(Math.abs([1, 2])).toBeNaN();
+    expect(Math.abs({})).toBeNaN();
+    expect(Math.abs("string")).toBeNaN();
+    expect(Math.abs()).toBeNaN();
+});