 
     lineBufferStart = traverse(lineBufferStart, screenLine.bufferExtent)
     lineScreenStart = traverse(lineScreenStart, Point(1, 0))
-
-  for tokens in getTokenLines(displayLayer)
-    for {closeTags, openTags, text} in tokens
-      for tag in closeTags
-        mostRecentOpenTag = containingTags.pop()
-        expect(mostRecentOpenTag).toBe(tag)
-      containingTags.push(openTags...)
-
-    expect(containingTags).toEqual([])
-
-  expect(containingTags).toEqual([])
-
-verifyPositionTranslations = (actualDisplayLayer, expectedDisplayLayer) ->
-  {buffer} = actualDisplayLayer
-
-  bufferLines = buffer.getText().split('\n')
-  screenLines = actualDisplayLayer.getText().split('\n')
-
-  for bufferLine, bufferRow in bufferLines
-    for character, bufferColumn in bufferLine
-      actualPosition = actualDisplayLayer.translateBufferPosition(Point(bufferRow, bufferColumn))
-      expectedPosition = expectedDisplayLayer.translateBufferPosition(Point(bufferRow, bufferColumn))
-      expect(actualPosition).toEqual(expectedPosition)
-
-  for screenLine, screenRow in screenLines
-    for character, screenColumn in screenLine
-      actualPosition = actualDisplayLayer.translateScreenPosition(Point(screenRow, screenColumn))
-      expectedPosition = expectedDisplayLayer.translateScreenPosition(Point(screenRow, screenColumn))
-      expect(actualPosition).toEqual(expectedPosition)
 
 verifyRightmostScreenPosition = (displayLayer) ->
   screenLines = displayLayer.getText().split('\n')

  for i in [0...1] by 1
    do ->
      seed = now + i
      seed = 1458149718164
      fit "updates the displayed text correctly when the underlying buffer changes: #{seed}", ->
        random = new Random(seed)
        buffer = new TextBuffer(text: buildRandomLines(random, 10))

            expect(displayLayer.clipScreenPosition(screenPosition, clipDirection: 'forward')).toEqual(tokenScreenEnd)
            expect(displayLayer.translateScreenPosition(screenPosition, clipDirection: 'backward')).toEqual(tokenBufferStart)
            expect(displayLayer.translateScreenPosition(screenPosition, clipDirection: 'forward')).toEqual(tokenBufferEnd)
            if comparePoints(bufferPosition, tokenBufferEnd) < 0
              expect(displayLayer.translateBufferPosition(bufferPosition, clipDirection: 'backward')).toEqual(tokenScreenStart)
              expect(displayLayer.translateBufferPosition(bufferPosition, clipDirection: 'forward')).toEqual(tokenScreenEnd)
        else unless token.metadata?.void
          expect(displayLayer.clipScreenPosition(screenPosition, clipDirection: 'backward')).toEqual(screenPosition)
          expect(displayLayer.clipScreenPosition(screenPosition, clipDirection: 'forward')).toEqual(screenPosition)
