JS: Expand selective re-export test case

Author: asgerf

javascript/ql/test/library-tests/UnderlyingTypes/expressSelectiveExport.ts

@@ -1 +1,2 @@
 export { Request } from 'express';
+export { Response as R } from 'express';

javascript/ql/test/library-tests/UnderlyingTypes/expressSelectiveExport.use.ts

@@ -1,7 +1,10 @@
-import { Request, Response } from './expressSelectiveExport';
+import { Request, Response, R } from './expressSelectiveExport';
 
 function t1(req: Request) { // $ MISSING: hasUnderlyingType='express'.Request
 }
 
 function t2(res: Response) { // none, not exported
 }
+
+function t3(res: R) { // $ MISSING: hasUnderlyingType='express'.Response
+}