In 2022, Tessier started in a test-match against Wales, it was a warm-up ahead of the World Cup which Canada won 31–3.[2][3] She was selected in Canada's squad for the delayed 2021 Rugby World Cup in New Zealand.[4][5][6] She scored a try against the Eagles in their quarterfinal encounter.[7] She then featured in the semifinal against England, and in the third place final against France.[8][9][10]