Background:
I have a set of Capybara integration tests running against my Rails 3 Application. For the other parts of the test suite I
Here you have to fire the same tests for different browser so can try to start two process of tests i.e. Run the same command twice.
As you have started the nodes the Grid will handle the execution on different nodes.
In your case you are executing the test and only on suite/process is started with respect to Grid. Just for testing Purpose try firing these tests twice one after another. If you are not able to Achieve by this Use Ant or similar thing to control your execution of tests.