Adjust testData to new labels syntax

js/js.translator/testData/webDemoCanvasExamples/cases/Creatures.kt

@@ -241,7 +241,7 @@ class CanvasState(val canvas: HTMLCanvasElement) {
         }
 
         jq(canvas).dblclick {
-            val newCreature = Creature(mousePos(it), this @CanvasState)
+            val newCreature = Creature(mousePos(it), this@CanvasState)
             addShape(newCreature)
             valid = false
         }

js/js.translator/testData/webDemoCanvasExamples/cases/Traffic light.kt

@@ -381,7 +381,7 @@ class CanvasState(val canvas: HTMLCanvasElement) {
     init {
         jq(canvas).click {
             val mousePos = mousePos(it)
-            @shapeLoop for (shape in shapes) {
+            shapeLoop@ for (shape in shapes) {
                 if (shape is Button && mousePos in shape) {
                     val name = shape.src
                     shape.mouseClick()