Update ci.yml

.github/workflows/ci.yml

@@ -26,12 +26,17 @@ jobs:
         uses: actions/setup-python@v3
         with:
           python-version: "3.10"
-      - name: Run tests
+      - name: Setup test environment
         uses: conda-incubator/setup-miniconda@v2
         with:
             activate-environment: mailorder-testing
             environment-file: mailorder/local_test_env.yml
             auto-activate-base: false
             run: |
-              pytest
+              pip install pytest
+      - name: Run tests
+        working-directory: mailorder
+        run: |
+          pip install pytest
+          pytest