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/Symbol/Symbol.for.js

@@ -0,0 +1,23 @@
+test("basic functionality", () => {
+    const localSym = Symbol("foo");
+    const globalSym = Symbol.for("foo");
+
+    expect(localSym).not.toBe(globalSym);
+    expect(localSym).not.toBe(Symbol("foo"));
+    expect(globalSym).not.toBe(Symbol("foo"));
+    expect(globalSym).toBe(Symbol.for("foo"));
+    expect(localSym.toString()).toBe("Symbol(foo)");
+    expect(globalSym.toString()).toBe("Symbol(foo)");
+
+    expect(Symbol.for(1).description).toBe("1");
+    expect(Symbol.for(true).description).toBe("true");
+    expect(Symbol.for({}).description).toBe("[object Object]");
+    expect(Symbol.for().description).toBe("undefined");
+    expect(Symbol.for(null).description).toBe("null");
+});
+
+test("symbol argument throws an error", () => {
+    expect(() => {
+        Symbol.for(Symbol());
+    }).toThrowWithMessage(TypeError, "Cannot convert symbol to string");
+});