diff --git a/js/js.translator/testData/box/kotlin.test/_common.kt b/js/js.translator/testData/box/kotlin.test/_common.kt
index 5833eec7537..50a9324835e 100644
--- a/js/js.translator/testData/box/kotlin.test/_common.kt
+++ b/js/js.translator/testData/box/kotlin.test/_common.kt
@@ -180,9 +180,9 @@ fun checkLog(wrapInEmptySuite: Boolean = true, body: SuiteContext.() -> Unit): S
     val actualLog = sortingContext.replayInto(LoggingContext()).log
 
     if (actualLog != expectedLog) {
-        return "Failed test structure check. Expected: ${expectedLog}; actual: ${actualLog}."
+        return "Failed test structure check. Expected: \"${expectedLog}\"; actual: \"${actualLog}\"."
     }
     else {
         return "OK"
     }
-}
\ No newline at end of file
+}