This gem requires the following environment variables to be set (test Rails env):
CANVAS_CUKES_FORWARD_COMMAND: 'forward 7787 canvas-cukes' CANVAS_CUKES_CANVAS_URL: https://apps.facebook.com/canvas-cukes CANVAS_CUKES_STANDALONE_URL: https://canvas-cukes-___.fwd.wf CANVAS_CUKES_FACEBOOK_NAMESPACE: canvas-cukes CANVAS_CUKES_FACEBOOK_APP_ID: 468_____________ CANVAS_CUKES_FACEBOOK_APP_SECRET: 4c87______________________