A significant political test for One Nation is emerging in Western Australia following the resignation of a senior minister from the Cook government, triggering a byelection in a Perth suburb. The seat, considered a potential target for the opposition, could serve as a strategic opportunity for One Nation to gauge its strength against federal Liberal MP Andrew Hastie. While the party's WA MP Rod Caddies framed the election as a learning exercise, Labor remains cautious about the race's competitiveness. The byelection underscores growing tensions within state politics and signals potential shifts in voter sentiment ahead of the next federal election. Analysts suggest the contest could provide insights into One Nation's ability to challenge established parties in key seats. However, the outcome will depend on factors such as voter turnout, local issues, and broader national political dynamics. This development adds to ongoing debates about the impact of minor parties on major electoral contests and highlights the evolving landscape of Australian federal politics.