It also provides the chance for Pochettino and his squad to take further steps in proving their mentality following what criticism they received in the wake of surrendering to Juventus and falling repeatedly in the final straight during the last two title races and last season's FA Cup.
FA Cup quarter-final updates from the 12.15pm GMT gameBig interview: Swansea City's Sam ClucasAnd feel free to email your thoughts to Scott 5.43pm GMT This is Swansea City's first FA Cup quarter final for 54 years. "Of course, when you score early it makes it easy to control the game and we are in the semi-final because we deserve it".
But once they fell behind they appeared to have little appetite for the contest.
In the 23rd minute, Heung-min Son had a great goal disallowed after the South Korean was judged to be in an offside position before he took a neat first touch and finished smartly.
The hosts rallied after the break and visiting keeper Michel Vorm had to be at his best against his former side to keep out efforts from Martin Olsson and Tammy Abraham.
Trump warns of 'bedlam' without border wall
The prototypes are being displayed near where there is already about 14 miles of border fencing topped with razor wire. Trump's visit was greeted with peaceful protests by demonstrators both for and against his planned wall.
Just before the half-time whistle, Lamela gave the visitors a second goal as he glided past two defenders before curling a right-footed shot past Nordfeldt, who was rooted to the spot.
Eriksen then found himself in space again on the edge of the box, but his curling shot was brilliantly tipped onto the bar by Nordfeldt.
Pochettino's team turned the rest of the match into a training routine as their fans chanted their traditional FA Cup song "Spurs are on their way to Wembley" with a hint of irony.
The Premier League outfit were in an "almost ideal position" after Eriksen's free kick saw Spurs come back to draw 2-2 in the first leg.
Speaking to Sky Sports, Gunners legend Merson said: "I don't see how Swansea win this game - their priority is staying in the Premier League".
It also means Pochettino can create a bespoke attack for each different challenge, as he alluded to on this week: "We have enough quality and different alternatives, and now I have to pick who is best for every single game while Harry is out injured".