Move tmux window setup in test to shared contect.
Move tmux window setup in test to shared contect.

ethagnawl/tmuxinator,klaxalk/tmux,adamstrickland/tmuxinator,ethagnawl/tmuxinator,klaxalk/tmux,J3RN/tmuxinator,tmuxinator/tmuxinator,ethagnawl/tmuxinator,tmuxinator/tmuxinator,adamstrickland/tmuxinator,J3RN/tmuxinator,klaxalk/tmux,klaxalk/tmux,J3RN/tmuxinator,tmuxinator/tmuxinator,klaxalk/tmux,adamstrickland/tmuxinator