Add virtual audio device to test procedure

Author: rachwalk

.github/workflows/poetry-test.yml

@@ -38,6 +38,9 @@ jobs:
       - name: Install Poetry
         uses: snok/install-poetry@v1
 
+      - name: Create virtual audio device
+        runs: jackd -d dummy &
+
       - name: Install python dependencies
         run: poetry install --with openset,nomad