fix: use exact to ensure the order of completions

Author: orange4glace

tests/cases/fourslash/completionsSelfDeclaring2.ts

@@ -1,18 +1,15 @@
 /// <reference path="fourslash.ts" />
 
-////function f1<T>(x: T) {}
-////f1({ abc/*1*/ });
-////
-////function f2<T extends { xyz: number }>(x: T) {}
-////f2({ x/*2*/ });
+//// function f1<T>(x: T) {}
+//// f1({ abc/*1*/ });
+
+//// function f2<T extends { xyz: number }>(x: T) {}
+//// f2({ x/*2*/ });
 
 
 verify.completions({
   marker: "1",
-  includes: [{
-    name: "Object",
-    sortText: completion.SortText.GlobalsOrKeywords
-  }]
+  exact: completion.globalsPlus(["f1", "f2"])
 });
 
 verify.completions({