Update discovery.yml

Author: Yaroslav-Muravev

.github/workflows/discovery.yml

@@ -28,6 +28,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install -r requirements.txt
           pip install torch
+          pip install pytest-xdist pytest-split pytest-timeout
           echo "PYTHONPATH=$PYTHONPATH:$(pwd)" >> $GITHUB_ENV
 
       - name: Run discovery tests