diff --git a/tests/cases/fourslash/signatureHelpCallExpressionJs.ts b/tests/cases/fourslash/signatureHelpCallExpressionJs.ts
index 8c1afa55442..e425196bd07 100644
--- a/tests/cases/fourslash/signatureHelpCallExpressionJs.ts
+++ b/tests/cases/fourslash/signatureHelpCallExpressionJs.ts
@@ -6,10 +6,12 @@
 // @Filename: main.js
 ////function fnTest() { arguments; }
 ////fnTest(/*1*/);
+////fnTest(1, 2, 3);
 
 goTo.marker('1');
 verify.signatureHelpCountIs(1);
 verify.currentSignatureParameterCountIs(1);
 verify.currentSignatureHelpIs('fnTest(...args: any[]): void');
 verify.currentParameterHelpArgumentNameIs('args');
-verify.currentParameterSpanIs("...args: any[]");
\ No newline at end of file
+verify.currentParameterSpanIs("...args: any[]");
+verify.numberOfErrorsInCurrentFile(0);
\ No newline at end of file