Add an exception to ctest so that we do not fail when the image server
hostname is not resolvable.

TEST=Bot runs
BUG=chromium-os:20218

Change-Id: Ia506bc344ae3c4d2638acbcb617d454077328c4b
Reviewed-on: http://gerrit.chromium.org/gerrit/7617
Reviewed-by: David James <davidjames@chromium.org>
Reviewed-by: Scott Zawalski <scottz@chromium.org>
Tested-by: Scott Zawalski <scottz@chromium.org>
(cherry picked from commit 9800919e09da83bba3b9faee03cd3e7897c7b9a7)
1 file changed