asynctypes-685526: Fix nodejs patch

The move to split the utils out missed a change to the search path
for running the node test server. This fixes that omission.

Signed-off-by: Joe Walker <jwalker@mozilla.com>
asynctypes-685526: Test updates for node

The recent changes broke some tests under node, mostly because jsdom
is a poor emulation. We're planning on using phantomjs in the future
but this makes it easier to exclude tests using a skipIf property
and fixes some of the easy jsdom cases.

Signed-off-by: Joe Walker <jwalker@mozilla.com>