diff --git a/java/testFramework/src/com/intellij/testFramework/LogicalStructureTestUtils.kt b/java/testFramework/src/com/intellij/testFramework/LogicalStructureTestUtils.kt
index 7d84de8ef4e1..4140df8e4d1f 100644
--- a/java/testFramework/src/com/intellij/testFramework/LogicalStructureTestUtils.kt
+++ b/java/testFramework/src/com/intellij/testFramework/LogicalStructureTestUtils.kt
@@ -59,7 +59,7 @@ fun assertLogicalStructure(
         val presentation = it.presentation
         presentation.presentableText == pathPart || (presentation as? PresentationData)?.coloredText?.firstOrNull()?.text == pathPart
       } as? StructureViewTreeElement
-      assertNotNull("Can't find a child '$pathPart'", child)
+      assertNotNull("Can't find a child '$pathPart', available: ${targetStructureElement.children.map { it.presentation.presentableText }}", child)
       targetStructureElement = child!!
     }
     var actualRoot = createActualNode(targetStructureElement)