JS tests for addClass, removeClass, removeFromParent

libraries/stdlib/test/dom/DomBuilderTest.kt

@@ -88,7 +88,7 @@ class DomBuilderTest() {
         }
         val grandChild = doc["grandChild"].firstOrNull()
         if (grandChild != null) {
-            assertEquals("Hello World!", grandChild.text)
+            assertEquals("Hello World!", grandChild.textContent)
             assertEquals(" bar tiny", grandChild.attribute("class"))
 
             // test the classSet

libraries/stdlib/test/dom/DomTest.kt

@@ -37,7 +37,7 @@ class DomTest {
         val xml = e.toXmlString()
         println("element after text ${xml}")
 
-        assertEquals("hello", e.text)
+        assertEquals("hello", e.textContent)
 
     }