Add failing test for generic JSX quick info microsoft#22636

tests/cases/fourslash/quickInfoJsxGenericFunctionProp.tsx

@@ -0,0 +1,20 @@
+/// <reference path="fourslash.ts" />
+
+//@Filename: file.tsx
+//// declare module JSX {
+////     interface Element { }
+////     interface IntrinsicElements {
+////     }
+////     interface ElementAttributesProperty { props }
+//// }
+//// interface Props<T> {
+////   items: T[];
+////   renderItem: (item: T) => string;
+//// }
+//// class Component<T> {
+////   props: Props<T>;
+//// }
+//// var c = <Component items={[0, 1, 2]} render/*0*/Item={it/*1*/em => item.toFixed()}
+
+verify.quickInfoAt("0", "(JSX Attribute) renderItem: (item: number) => string");
+verify.quickInfoAt("1", "(parameter) item: number");