Senanayake was reported at the end of the match by on-field umpires Marais Erasmus and Ian Gould, both from the Emirates Elite Panel of ICC Umpires, TV Umpire Chris Gaffaney, and Jeff Crowe of the Emirates Elite Panel of ICC Match Referees.
Crowe handed over the copy of the report to the Sri Lanka team manager yesterday.
The umpires' report cited concerns over a number of deliveries that were considered to be suspect.
The off-spinner is required to undergo testing within 21 days, and, during this period, he is permitted to continue bowling in international cricket until the results of the testing are known.