Add analogous export test.

tests/cases/fourslash/completionListInExportClause03.ts

@@ -0,0 +1,16 @@
+/// <reference path="fourslash.ts" />
+
+////declare module "M1" {
+////    export var abc: number;
+////    export var def: string;
+////}
+////
+////declare module "M2" {
+////    export { abc/**/ } from "M1";
+////}
+
+// Ensure we don't filter out the current item.
+goTo.marker();
+verify.completionListContains("abc");
+verify.completionListContains("def");
+verify.not.completionListAllowsNewIdentifier();