How to run multiple Selenium Firefox browsers concurrently?

python firefox selenium concurrency process

sudo easy_install -U python-wd-parallel

then

check the usage here

python firefox selenium concurrency process

Have you considered implementing a selenium grid?

Selenium Grid will help you scale by running tests in parallel. Just setup a hub and node with the following commands:

For the hub

java -jar selenium-server-standalone-2.30.0.jar -role hub

and for the node

java -jar selenium-server-standalone-2.30.0.jar -role node  -hub http://localhost:4444/grid/register

python firefox selenium concurrency process

it allows to scale by distributing tests on several machines ( parallel execution )Check Out here

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