[Tests] Use stable order for ir/kotlinLike dumps

^KT-65406

compiler/testData/ir/irText/declarations/packageLevelProperties.kt.txt

@@ -2,11 +2,6 @@ val test1: Int
   field = 0
   get
 
-val test2: Int
-  get(): Int {
-    return 0
-  }
-
 var test3: Int
   field = 0
   get
@@ -45,3 +40,9 @@ var test8: Int /* by */
   set(<set-?>: Int) {
     return #test8$delegate.setValue<Int>(thisRef = null, property = ::test8, value = <set-?>)
   }
+
+val test2: Int
+  get(): Int {
+    return 0
+  }
+