Update github workflow to use poetry

.github/workflows/test.yml

@@ -32,8 +32,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest
-        pip install -r requirements.txt
+        pip install poetry flake8 pytest
+        poetry install --no-root
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names