Two of the last three games were very tough for Arsenal (vs Liverpool and Newcastle). But this match is just a formality for Liverpool who have secured the EPL Trophy, perhaps the same thing happened when they lost to Chelsea last week.
The game against Newcastle is a bit tough, but the result of this game will not affect them anymore if they manage to beat Liverpool because Arsenal only need +3 more points to secure a ticket to the UCL next season.

Arsenal current standings not secure yet for Champion League spot behind six points remaining
from Nottingham Forest at 6th standings of three matches left, this week face Liverpool formally have won Premier League tittle. Three matches left for Arsenal is most important match for securing three points if won't outside from the Champion League spot place although premier league got additional slot for next season.
After Liverpool winning the premier league tittle, now interested top fourth standings race regarding difference few points between the 2nd and 6th standings will make interested until three matches left. Can't guarantee yet with Arsenal's habit finish at 2nd standings last three consecutives season regarding have three points left from Manchester City have bigger chance get finish at Arsenal's position.