[modules] Update a test and status file to reflect recent spec changes.

test/test262/test262.status

Index: test/test262/test262.status
diff --git a/test/test262/test262.status b/test/test262/test262.status
index 4e36d22120552a9a58d4ff7f04b8a8fd26ddcc65..a9c69bd7fe061c05c865c24dc21f937b284aff25 100644
--- a/test/test262/test262.status
+++ b/test/test262/test262.status
@@ -441,6 +441,7 @@
   'language/module-code/comment-single-line-html*': [FAIL],
 
   # v8:5486
+  # Spec changed, tests need to be updated.

[adamk, 2017/01/27 16:10:37]

We have an "INVALID TESTS" section below, maybe move this down there for now.

[neis, 2017/01/30 09:10:26]

Done.

   'language/module-code/instn-iee-star-cycle': [FAIL],
   'language/module-code/instn-named-star-cycle': [FAIL],
   'language/module-code/instn-star-star-cycle': [FAIL],
@@ -460,11 +461,9 @@
   'language/module-code/namespace/internals/own-property-keys-binding-types': [SKIP],
   'language/module-code/namespace/internals/own-property-keys-sort': [SKIP],
 
-  # Symbol.toString on namespace objects was made non-configurable, tests need
-  # to be updated.
+  # Symbol.toStringTag on namespace objects was made non-configurable, tests
+  # need to be updated.
   'language/module-code/namespace/Symbol.toStringTag': [SKIP],
-
-  # Possible spec bug, see comment in https://github.com/tc39/ecma262/pull/747.
   'language/module-code/namespace/internals/delete-non-exported': [SKIP],
 
   # https://code.google.com/p/v8/issues/detail?id=4476