Remove _test directory during 'clean'
Remove _test directory during 'clean'

Signed-off-by: Peter Lemenkov <2f981fc861bda8c748898150c942841af4296212@gmail.com>

DMMcomLabo/egeoip,DMMcomLabo/egeoip,mochi/egeoip,flussonic/egeoip,tsharju/egeoip