Minor: fix compile error in test data

idea/testData/structureView/fileStructure/Render.after

@@ -2,8 +2,8 @@
  A1
  -A2
   a: Int
-  b: [ERROR : Annotation is absent]
-  constructor A2(Int, [ERROR : Type annotation was missing for parameter b] = ...)
+  b: String
+  constructor A2(Int, String = ...)
  -A3
   a: Int
   b: String

idea/testData/structureView/fileStructure/Render.kt

@@ -15,7 +15,7 @@ val <T> Comparable<T>.a = "String"
 internal val b = object {}
 
 class A1
-class A2(val a: Int, var b = "some")
+class A2(val a: Int, var b: String = "some")
 class A3(val a: Int) {
     var b = "some"
 }