Added package installation

.github/workflows/test.yml

@@ -6,12 +6,15 @@ on:
 
 jobs:
   build-and-test:
-    name: Build and run unit tests
+    name: Test code
     runs-on: ubuntu-latest
 
     steps:
       - name: Check out repo
         uses: actions/checkout@v3
 
+      - name: Install packages
+        run: pip install -r requirements.txt
+
       - name: Run tests
         run: pytest