The most laps completed per team

Team	Number of laps
Mercedes	903
Ferrari	844
McLaren	804
Racing Point	782
Red Bull	780
AlphaTauri	770
Renault	743
Williams	737
Alfa Romeo	735
Haas	649

https://www.skysports.com/f1/news/12433/11938757/f1-testing-2020-the-fastest-laps