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.log2.js

@@ -0,0 +1,13 @@
+test("basic functionality", () => {
+    expect(Math.log2).toHaveLength(1);
+
+    expect(Math.log2(3)).toBeCloseTo(1.584962500721156);
+    expect(Math.log2(2)).toBe(1);
+    expect(Math.log2(1)).toBe(0);
+    expect(Math.log2(0)).toBe(-Infinity);
+    expect(Math.log2(-2)).toBe(NaN);
+    expect(Math.log2(1024)).toBe(10);
+    expect(Math.log2(NaN)).toBe(NaN);
+    expect(Math.log2(Number.POSITIVE_INFINITY)).toBe(Number.POSITIVE_INFINITY);
+    expect(Math.log2(-0.0)).toBe(Number.NEGATIVE_INFINITY);
+});