Add ActiveSuppot gem to test group
Add ActiveSuppot gem to test group

This is needed to support tests that check internal inflector API
compatibility with the ActiveSupport::Inflector.

pvcarrera/rom,denyago/rom,Snuff/rom,rom-rb/rom,endash/rom,vrish88/rom,kwando/rom,dekz/rom,pxlpnk/rom,dcarral/rom,cored/rom,jeremyf/rom,rom-rb/rom,rom-rb/rom