LibJS: Add tests for new Math functions

Author: https://github.com/Cleverking2003
Commit: f30d4f22ef
Pull-request: https://github.com/SerenityOS/serenity/pull/4599
Reviewed-by: https://github.com/linusg

Libraries/LibJS/Tests/builtins/Math/Math.hypot.js

@@ -0,0 +1,9 @@
+test("basic functionality", () => {
+    expect(Math.hypot(3, 4)).toBe(5);
+    expect(Math.hypot(3, 4, 5)).toBeCloseTo(7.0710678118654755);
+    expect(Math.hypot()).toBe(0);
+    expect(Math.hypot(NaN)).toBe(NaN);
+    expect(Math.hypot(3, 4, "foo")).toBe(NaN);
+    expect(Math.hypot(3, 4, "5")).toBeCloseTo(7.0710678118654755);
+    expect(Math.hypot(-3)).toBe(3);
+});