Adjust testData to new labels syntax

j2k/testData/fileOrElement/for/withContinueAndLabels.kt

@@ -2,9 +2,9 @@
 public object TestClass {
     public fun main(args: Array<String>) {
         var i = 1
-        @OuterLoop1 @OuterLoop2 while (i < 1000) {
+        OuterLoop1@ OuterLoop2@ while (i < 1000) {
             var j = 1
-            @InnerLoop while (j < 100) {
+            InnerLoop@ while (j < 100) {
                 if (j == 3) {
                     j *= 3
                     continue@InnerLoop

j2k/testData/fileOrElement/labelStatement/complicatedExampleFromJavaTutorial.kt

@@ -1,4 +1,4 @@
-@test for (i in 0..max) {
+test@ for (i in 0..max) {
     var n = substring.length()
     var j = i
     var k = 0

j2k/testData/fileOrElement/switch/continueAndBreakWithLabel.kt

@@ -1,5 +1,5 @@
 fun foo() {
-    @Loop while (true) {
+    Loop@ while (true) {
         when (take()) {
             1 -> continue
             2 -> {