diff --git a/requirements-test.txt b/requirements-test.txt
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -1 +1,2 @@
 pytest
+swh.scheduler[testing]
diff --git a/swh/loader/cvs/tasks.py b/swh/loader/cvs/tasks.py
--- a/swh/loader/cvs/tasks.py
+++ b/swh/loader/cvs/tasks.py
@@ -24,12 +24,7 @@
 
 @shared_task(name=__name__ + ".LoadCvsRepository")
 def load_cvs(
-    *,
-    url: str,
-    origin_url: Optional[str] = None,
-    destination_path: Optional[str] = None,
-    swh_revision: Optional[str] = None,
-    visit_date: Optional[str] = None,
+    *, url: str, origin_url: Optional[str] = None, visit_date: Optional[str] = None,
 ):
     """Import a CVS repository
 
@@ -37,18 +32,9 @@
         - url: (mandatory) CVS's repository url to ingest data from
         - origin_url: Optional original url override to use as origin reference
             in the archive. If not provided, "url" is used as origin.
-        - destination_path: (optional) root directory to
-          locally retrieve svn's data
-        - swh_revision: (optional) extra revision hex to
-          start from. See swh.loader.svn.CvsLoader.process
-          docstring
         - visit_date: Optional date to override the visit date
     """
     loader = CvsLoader.from_configfile(
-        url=url,
-        origin_url=origin_url,
-        destination_path=destination_path,
-        swh_revision=swh_revision,
-        visit_date=convert_to_datetime(visit_date),
+        url=url, origin_url=origin_url, visit_date=convert_to_datetime(visit_date),
     )
     return loader.load()
diff --git a/swh/loader/cvs/tests/test_tasks.py b/swh/loader/cvs/tests/test_tasks.py
--- a/swh/loader/cvs/tests/test_tasks.py
+++ b/swh/loader/cvs/tests/test_tasks.py
@@ -23,3 +23,21 @@
 )
 def test_convert_to_datetime(date, expected_result):
     assert convert_to_datetime(date) == expected_result
+
+
+def test_cvs_loader(
+    mocker, swh_scheduler_celery_app, swh_scheduler_celery_worker, swh_config
+):
+    mock_loader = mocker.patch("swh.loader.cvs.loader.CvsLoader.load")
+    mock_loader.return_value = {"status": "eventful"}
+
+    res = swh_scheduler_celery_app.send_task(
+        "swh.loader.cvs.tasks.LoadCvsRepository",
+        kwargs=dict(url="some-technical-url", origin_url="origin-url"),
+    )
+    assert res
+    res.wait()
+    assert res.successful()
+
+    assert res.result == {"status": "eventful"}
+    assert mock_loader.called
diff --git a/tox.ini b/tox.ini
--- a/tox.ini
+++ b/tox.ini
@@ -6,6 +6,10 @@
   testing
 deps =
   pytest-cov
+  # the dependency below is needed for now as a workaround for
+  #   https://github.com/pypa/pip/issues/6239
+  # TODO: remove when this issue is fixed
+  swh.scheduler[testing]
 commands =
   pytest --doctest-modules \
          {envsitepackagesdir}/swh/loader/cvs \
@@ -30,7 +34,7 @@
 extras =
   testing
 deps =
-  mypy
+  mypy!=0.920
 commands =
   mypy swh