Mark test as xfail that assumes writability of the global object

As discussed, this needs to be fixed post merge

Change-Id: Iebdc06da4977158b5d6190b3f093f8962459e109
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Remove XFAILs that was due to strict mode

In non-strict mode we can use with() and eval() again, and so these tests pass.

Change-Id: I66b16653a28b1d7e420e53c012d7908c8fc6c29a
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Fix expected test output for one list model test

There's no reason to disallow calling model.set() with
an ArrayObject as argument.

Change-Id: I44baad677ca34e1fb4188b89f0a548af84580b4f
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>