test: fix tests failures

Add missing mock.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
Merge branch 'master' of git://github.com/devaroop/killbill-admin-ui into devaroop-master
gemspec: update dependencies

Among updates, killbill-client has been bumped to 0.1.3.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
version: bump to 0.2.6

Add search capabilities and billing timeline filters.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
Gemfile.lock: update kaui version

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>
add 'go-to-account' tab after the wild card search of the payment method