diff --git a/tests/cases/fourslash/codeFixClassImplementInterfaceNamespaceConflict.ts b/tests/cases/fourslash/codeFixClassImplementInterfaceNamespaceConflict.ts
index 4ca42640c2c..b8b389c4631 100644
--- a/tests/cases/fourslash/codeFixClassImplementInterfaceNamespaceConflict.ts
+++ b/tests/cases/fourslash/codeFixClassImplementInterfaceNamespaceConflict.ts
@@ -3,14 +3,15 @@
 //// namespace N1 {
 ////     export interface I1 {
 ////         x: number;
+////         y: I1;
 ////     }
 //// }
 //// interface I1 {
 ////     f1();
 //// }
-////
 //// class C1 implements N1.I1 {[| |]}
 
 verify.rangeAfterCodeFix(`
 x: number;
+y: N1.I1;
 `);
\ No newline at end of file