diff --git a/idea/testData/navigation/gotoSymbol/stdLibJoinToString.kt b/idea/testData/navigation/gotoSymbol/stdLibJoinToString.kt
index 3167daebc48..2e63fab5044 100644
--- a/idea/testData/navigation/gotoSymbol/stdLibJoinToString.kt
+++ b/idea/testData/navigation/gotoSymbol/stdLibJoinToString.kt
@@ -1,15 +1,15 @@
 // RUNTIME_WITH_SOURCES
 // CHECK_BOX
 // SEARCH_TEXT: joinToString
-// REF: (for Array<out T> in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for BooleanArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for ByteArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for CharArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for DoubleArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for FloatArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for IntArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for Iterable<T> in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for LongArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for Sequence<T> in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for ShortArray in kotlin).joinToString(String,String,String,Int,String)
-// REF: (for Stream<T> in kotlin).joinToString(String,String,String,Int,String)
\ No newline at end of file
+// REF: (for Array<out T> in kotlin).joinToString(String,String,String,Int,String,((T) -> String)?)
+// REF: (for BooleanArray in kotlin).joinToString(String,String,String,Int,String,((Boolean) -> String)?)
+// REF: (for ByteArray in kotlin).joinToString(String,String,String,Int,String,((Byte) -> String)?)
+// REF: (for CharArray in kotlin).joinToString(String,String,String,Int,String,((Char) -> String)?)
+// REF: (for DoubleArray in kotlin).joinToString(String,String,String,Int,String,((Double) -> String)?)
+// REF: (for FloatArray in kotlin).joinToString(String,String,String,Int,String,((Float) -> String)?)
+// REF: (for IntArray in kotlin).joinToString(String,String,String,Int,String,((Int) -> String)?)
+// REF: (for Iterable<T> in kotlin).joinToString(String,String,String,Int,String,((T) -> String)?)
+// REF: (for LongArray in kotlin).joinToString(String,String,String,Int,String,((Long) -> String)?)
+// REF: (for Sequence<T> in kotlin).joinToString(String,String,String,Int,String,((T) -> String)?)
+// REF: (for ShortArray in kotlin).joinToString(String,String,String,Int,String,((Short) -> String)?)
+// REF: (for Stream<T> in kotlin).joinToString(String,String,String,Int,String,((T) -> String)?)