Refactor tests that depend on API calls (#419)

* add bestpdb endpoint test

* add compare_responses

* update pytest configuration

* update ci.yml

* linting

* add more tests to the endpoints

* add api golden data

* add `test_call_uniprot`

* mock `make_request`

* refactor test_pdb - wip

* add golden data

* add `pytest-mock`

* add types to `make_request`

* add types to pdb module

* improve pdb tests

* use old typing syntax for Union

* mark integration tests

* rename TODO to FIXME

* add missing fixme

.github/workflows/ci.yml

@@ -25,9 +25,14 @@ jobs:
 
       - run: poetry install --no-interaction --no-root
 
-      - name: Test
-        run: |
-          poetry run pytest --cov=./ --cov-report=xml -v
+      - name: Run sanity check on the API endpoints
+        run: poetry run pytest -m sanity -vvv
+
+      - name: Run unit tests
+        run: poetry run pytest -m "not (sanity or integration)" --cov=./ --cov-report=xml -v
+
+      - name: Run integration tests
+        run: poetry run pytest -m integration
 
       - name: Run codacy-coverage-reporter
         uses: codacy/codacy-coverage-reporter-action@v1