diff --git a/test/fixtures/fixture.ts b/test/fixtures/fixture.ts
index 20cc4a5..3cecc0b 100644
--- a/test/fixtures/fixture.ts
+++ b/test/fixtures/fixture.ts
@@ -13,3 +13,5 @@ import { a, b, c } from 'd'
 function() {
   type A = 1|2|3;
 }
+
+const f = function() { return 0; }