Add a step definition for running cucumber.js with an environment variable set
Add a step definition for running cucumber.js with an environment variable set

Signed-off-by: Eddie Loeffen <75baac44f00508eae59c29db08a023ad2630621a@gmail.com>

eddieloeffen/cucumber-js,eddieloeffen/cucumber-js,eddieloeffen/cucumber-js