Henry Slade's try and some fine kicking from Joe Simmonds earned Exeter Chiefs a hard-fought 19-13 win over Wasps in the Premiership final.
After no further COVID-19 cases were found in testing on Tuesday, Wasps can now prepare to play at Twickenham this weekend.
A decade after they were promoted to the Premiership for the first time, Exeter Chiefs are champions of Europe.
Exeter are into a fifth Premiership final in succession, while Wasps will seek revenge as they bid to end a 12-year drought.
Sale Sharks can seal the final Premiership play-off place with a win after Saracens stormed back to deny Bath victory.
A bonus-point 40-3 victory over Leicester Tigers boosted Bristol's hopes of finishing in the Premiership's play-off places.
Exeter Chiefs reached their first European Champions Cup final at Toulouse's expense after Racing 92 dumped Saracens out.
Saracens and Exeter Chiefs will go their separate ways at the end of the season, but a second-string battle was a reminder of their rivalry.
Leicester Tigers were thrashed by Wasps while Sale Sharks held off Saracens in Wednesday's Premiership matches.
Exeter Chiefs and Bristol Bears are the top two in the Premiership after victories on Friday.