[Test] Migrate Parcelize tests to new test infrastructure

plugins/parcelize/parcelize-compiler/testData/codegen/customSimpleWithNewArray.kt

@@ -1,4 +1,4 @@
-// CURIOUS_ABOUT newArray
+// CURIOUS_ABOUT: newArray
 // WITH_RUNTIME
 
 import kotlinx.parcelize.*
@@ -18,4 +18,4 @@ class User(val firstName: String, val lastName: String, val age: Int) : Parcelab
 
         override fun newArray(size: Int) = arrayOfNulls<User>(size) as Array<User>
     }
-}
+}