Question: Whar did Sarfraz Ahmed do after Azhar Ali stepped down?
Related documents: [0]  [DOC] Sarfraz Ahmed (Urdu: ‎ ; born 22 May 1987) is a wicketkeeper- batsman who plays international cricket for Pakistan and is also the current captain of the Pakistan cricket team in all 3 formats of the game. In addition to his captaincy duties, he led Pakistan to Champions Trophy glory in June 2017. Sarfraz was named as Pakistan's Twenty20 International captain following the 2016 ICC World Twenty20 in India, while he was named Pakistan's ODI Captain on February 9, 2017 after Azhar Ali stepped down. He took up the Test captaincy mantle for his team following the retirement of Misbah-ul-Haq and became the 32nd Test captain of the Pakistan Cricket Team doing so. [END] 
[1]  [DOC] Domestically, he has played for Khan Research Laboratories, Lahore, Lahore Eagles, Lahore Lions, Lahore Qalandars, Pakistan A and Huntly (Scotland) during his career. He was the captain of Lahore Qalandars in the first edition of the Pakistan Super League. [END] 
Answer: 
He took up the Test captaincy
He took up the Test captaincy