Port remaining Sky tests to the new world

sky/tests/resources/dom-utils.sky

Index: sky/tests/resources/dom-utils.sky
diff --git a/sky/tests/resources/dom-utils.sky b/sky/tests/resources/dom-utils.sky
deleted file mode 100644
index 98c03fbe5e2ce4783ce42e01d0d323756bdc600f..0000000000000000000000000000000000000000
--- a/sky/tests/resources/dom-utils.sky
+++ /dev/null
@@ -1,17 +0,0 @@
-<script>
-import "dart:sky";
-
-int childNodeCount(parent) {
-  int count = 0;
-  for (Node node = parent.firstChild; node != null; node = node.nextSibling)
-    ++count;
-  return count;
-}
-
-int childElementCount(parent) {
-  int count = 0;
-  for (Element element = parent.firstElementChild; element != null; element = element.nextElementSibling)
-    ++count;
-  return count;
-}
-</script>