Add opal-minitest to dev deps
Add opal-minitest to dev deps

catprintlabs/opal,Mogztter/opal,Flikofbluelight747/opal,merongivian/opal,merongivian/opal,Flikofbluelight747/opal,Mogztter/opal,gausie/opal,gabrielrios/opal,catprintlabs/opal,gabrielrios/opal,kachick/opal,suyesh/opal,iliabylich/opal,catprintlabs/opal,jgaskins/opal,Ajedi32/opal,castwide/opal,opal/opal,wied03/opal,jannishuebl/opal,kachick/opal,suyesh/opal,jannishuebl/opal,kachick/opal,Ajedi32/opal,wied03/opal,castwide/opal,iliabylich/opal,gabrielrios/opal,iliabylich/opal,jgaskins/opal,opal/opal,opal/opal,bbatsov/opal,fazibear/opal,gausie/opal,c42engineering/opal,Flikofbluelight747/opal,gausie/opal,jannishuebl/opal,fazibear/opal,Mogztter/opal,suyesh/opal,fazibear/opal,castwide/opal,wied03/opal,Ajedi32/opal,bbatsov/opal,jgaskins/opal,opal/opal,Mogztter/opal,c42engineering/opal,c42engineering/opal,bbatsov/opal,merongivian/opal,kachick/opal