Fix gradle test

libraries/tools/kotlin-gradle-plugin/src/test/resources/testProject/kotlin2JsProject/libraryProject/src/main/kotlin/example/library/Counter.kt

@@ -1,11 +1,11 @@
 package example.library
 
 import org.w3c.dom.Text
-import kotlin.js.dom.html.window
+import kotlin.browser.*
 
 public class Counter(val el: Text) {
     fun step(n: Int) {
-        el.wholeText = "Counter: ${n}"
+        document.title = "Counter: ${n}"
         window.setTimeout({step(n+1)}, 1000)
     }