Shu Muto a5d50dd3ed Fix tox jobs and remove tox_helper.sh
Horizon plugins needs horizon on master branch for our
master development and test.

Recent changes in CI infra and horizon force to change horizon
installation, and added tox_helper.sh as trivial fix.

Now, reasonable fix found for horizon plugins,
so this patch fixes them.

Change-Id: Ieae9bfdfed113795c0a7065964781914a2d041ce
Depends-On: I506e9c761ad1af3126db2c4778aa9dbbcf340130
2018-05-14 14:07:31 +09:00
..
2015-09-08 23:02:28 +00:00