Kaitlyn MacBean scored all three goals against the Mountaineers on Thursday.
Gladieux and the Nittany Lions start their season on Friday against Virginia.
The game was originally scheduled for 7:30 p.m.
The Nittany Lions will kick off against Binghamton on November 4.
The Nittany Lions recently named Jess Mruzik, Angelina Starck, and Quinn Menger as team captains.
Sophia Gladieux, Drew Taylor, and Sophia Mannino were all recognized by the conference.