Reverse dependencies for gaku_testing

Latest version of the following gems require gaku_testing

Gem	Version	Date	Downloads
gaku +43.1 Thousand Downloads	`0.3.0` March 17, 2018	March 17, 2018	43.1 Thousand
gaku_frontend +33.3 Thousand Downloads	`0.3.0` March 17, 2018	March 17, 2018	33.3 Thousand
gaku_admin +33.2 Thousand Downloads	`0.3.0` March 17, 2018	March 17, 2018	33.2 Thousand
gaku_api +5.59 Thousand Downloads	`0.3.0` March 17, 2018	March 17, 2018	5.59 Thousand
gaku_imex +4.49 Thousand Downloads	`0.2.2` February 24, 2015	February 24, 2015	4.49 Thousand