Fix GardeningServer/scripts/ui_unittests.js
Fix GardeningServer/scripts/ui_unittests.js

This testing framework is horrible.  When you have a syntax error
you have to go digging in the console to fine it, it doesn't notice.

BUG=389681
R=abarth@chromium.org, abarth

Review URL: https://codereview.chromium.org/359813002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@177145 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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