MNT: run tests on installed package

Author: mgorny

.github/workflows/ci.yml

@@ -30,14 +30,14 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Install as develop
+      - name: Install
         run: |
-          pip install -e .
+          pip install .
 
       - name: Test with pytest
         run: |
           pip install pytest
-          pytest
+          pytest --pyargs bottleneck
 
   check:
     needs: test