GROS ISLET, St Lucia – Shai Hope says he is under no illusions about the challenge that awaits him in the longest format, after being recalled to the West Indies Test squad for the series against South Africa starting Thursday.The stylish right-hander has scored heavily in One-Day Internationals where he averages 53 with 10 centuries but was dropped from the Test side last year after scraping an average of 26 from 34 Tests, after making his debut six years ago.However, his success in ODIs has come at the top of the order whereas he has featured primarily in the middle order in Tests, and he pointed out it was critical he made the adjustment to the challenges unique to opening the batting in the longest format.