Add option "export DISPLAY=:0;" for wkhtmltopdf in test env
Add option "export DISPLAY=:0;" for wkhtmltopdf in test env

stfalcon/fwdays,bolotyuh/fwdays,bolotyuh/fwdays,stfalcon/fwdays,bolotyuh/fwdays,bolotyuh/fwdays,stfalcon/fwdays,bolotyuh/fwdays,stfalcon/fwdays