Saints have had an inconsistent campaign and still have work to do to secure a place in Super League's top-eight play-offs.
But after a home defeat to Hull KR in June prompted public criticism from their chairman, Saints have responded positively.
Admittedly they only played twice in July because of their prior elimination from the Challenge Cup, but they saw off Castleford and then claimed a morale-boosting win over arch-rivals Wigan.
That has put them in good spirits for Saturday's trip to Perpignan to face a Catalan side who need to rediscover form to assert their own play-off credentials.
Saints youngster Josh Jones expects a tough battle at the Stade Gilbert Brutus, where the steep inclines of the stands help make for a raucous atmosphere.
The 20-year-old centre or second row said: "The last few games they have lost but you never write them off, especially in France.
"It's like a dungeon down there, the fans are really passionate and the players are always up for it. It is going to be a really tough game.
"It is a massive week for us as a club and as a team but we are really up for it.
"We have looked good in training, everyone is really confident. The mood is so much better than it was. That game against Wigan was massive, it showed how much belief we have as a team.
"We can't lose focus now, at the back end of the year. Everyone is counting on us to do a job. That is what we have got to do, keep focused."
A victory in France would take Saints above the Dragons, who were fifth heading into the latest round of fixtures.
Saints have been hampered by injuries throughout their campaign and their chief weapon James Roby remains on the sidelines with an ankle injury.
But they will come up against a Dragons side depleted by injury and suspension.
Scott Dureau, Brent Webb, Olivier Elima, Louis Anderson and Jason Baitieri are not fit, while Julian Bousquet and captain Remi Casty are banned.
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