Restore dev-requirements.txt

.github/workflows/test.yml

@@ -50,6 +50,7 @@ jobs:
     - name: Install requirements
       run: |
         pip install -r requirements.txt
+        pip install -r dev-requirements.txt
         pip install -e .
         # Replace default path to CKAN core config file with the one on the container
         sed -i -e 's/use = config:.*/use = config:\/srv\/app\/src\/ckan\/test-core.ini/' test.ini

ckanext/dev-requirements.txt

@@ -0,0 +1 @@
+pytest-ckan