test for loading custom extensions in firefox
test for loading custom extensions in firefox

lrowe/splinter,objarni/splinter,bmcculley/splinter,myself659/splinter,drptbl/splinter,bmcculley/splinter,lrowe/splinter,underdogio/splinter,gjvis/splinter,lrowe/splinter,objarni/splinter,bubenkoff/splinter,myself659/splinter,cobrateam/splinter,objarni/splinter,drptbl/splinter,nikolas/splinter,bmcculley/splinter,cobrateam/splinter,myself659/splinter,bubenkoff/splinter,gjvis/splinter,drptbl/splinter,underdogio/splinter,cobrateam/splinter,nikolas/splinter,gjvis/splinter,nikolas/splinter,underdogio/splinter