My Vimux/Turbux set up

.vimrc

if exists('$TMUX')
  " Prompt for a command to run
  map <Leader>vp :VimuxPromptCommand<CR>

  " Run last command executed by VimuxRunCommand
  map <Leader>vl :VimuxRunLastCommand<CR>

  " Inspect runner pane
  map <Leader>vi :VimuxInspectRunner<CR>

  " Close all other tmux panes in current window
  map <Leader>vx :VimuxClosePanes<CR>

  " Close vim tmux runner opened by VimuxRunCommand
  map <Leader>vq :VimuxCloseRunner<CR>

  " Interrupt any command running in the runner pane
  map <Leader>vs :VimuxInterruptRunner<CR>
endif

" Alternate for minitest 
autocmd User Rails/app/**/*.rb let b:rails_alternate = 'test/' . rails#buffer().name()[4:-4] . '_test.rb'