Bug 1481265 - Fixup metadata, test is broken on Windows, a=testonly ON A CLOSED TREE

MozReview-Commit-ID: N8HibBdKPt

testing/web-platform/meta/old-tests/submission/Microsoft/selection/insertNodeIntoSelection.htm.ini

@@ -0,0 +1,4 @@
+[insertNodeIntoSelection.htm]
+  [HTML5 Selection: Insert a new element and text node into an element that is currently selected]
+    expected:
+      if os == "win": FAIL