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.sin.js

@@ -0,0 +1,17 @@
+test("basic functionality", () => {
+    expect(Math.sin).toHaveLength(1);
+
+    expect(Math.sin(0)).toBe(0);
+    expect(Math.sin(null)).toBe(0);
+    expect(Math.sin("")).toBe(0);
+    expect(Math.sin([])).toBe(0);
+    expect(Math.sin((Math.PI * 3) / 2)).toBe(-1);
+    expect(Math.sin(Math.PI / 2)).toBe(1);
+    expect(Math.sin()).toBeNaN();
+    expect(Math.sin(undefined)).toBeNaN();
+    expect(Math.sin([1, 2, 3])).toBeNaN();
+    expect(Math.sin({})).toBeNaN();
+    expect(Math.sin("foo")).toBeNaN();
+    expect(Math.sin(Infinity)).toBeNaN();
+    expect(Math.sin(-Infinity)).toBeNaN();
+});