message: Re-enable disabled test.
  <rdar://problem/36649559>
diff: @@ -18,7 +18,7 @@ func main() {
  data.append(data)
  print("break here") //% self.expect('frame variable data', substrs=['10 bytes'])
  //% self.expect('expression data', substrs=['10 bytes'])
  - //FIXME: self.expect('expression data.subdata(in: Range(uncheckedBounds: (lower: data.startIndex, upper: data.index(after: data.startIndex))))', substrs=['1 byte'])
  + //% self.expect('expression data.subdata(in: Range(uncheckedBounds: (lower: data.startIndex, upper: data.index(after: data.startIndex))))', substrs=['1 byte'])
  }
  main()
  