           set
             text: '\n'
             cursorBuffer: [[0, 0], [1, 0]]
-          ensure {ctrl: 'x'},
+          ensure 'ctrl-x',
             text: '\n'
             cursorBuffer: [[0, 0], [1, 0]],
 

          mode: 'normal'
      it "works in blockwise visual-mode", ->
        set cursor: [0, 3]
        ensure [{ctrl: 'v'}, '2jlg', {ctrl: 'x'}],
          text: """
            14 23 13
            10 22 13

              ]
        it "decrease number in linewise selected range", ->
          set cursor: [0, 0]
          ensure 'V 2 j ctrl-x',
            text: """
              0 1 2
              0 1 2
