fix existing pytests

Author: andrii-i

conftest.py

@@ -5,7 +5,7 @@
 
 from jupyter_scheduler.orm import create_session, create_tables
 from jupyter_scheduler.scheduler import Scheduler
-from jupyter_scheduler.tests.mocks import MockEnvironmentManager
+from jupyter_scheduler.tests.mocks import MockDownloadManager, MockEnvironmentManager
 
 pytest_plugins = ("jupyter_server.pytest_plugin",)
 
@@ -48,5 +48,8 @@ def jp_scheduler_db():
 @pytest.fixture
 def jp_scheduler():
     return Scheduler(
-        db_url=DB_URL, root_dir=str(TEST_ROOT_DIR), environments_manager=MockEnvironmentManager()
+        db_url=DB_URL,
+        root_dir=(TEST_ROOT_DIR),
+        environments_manager=MockEnvironmentManager(),
+        download_manager=MockDownloadManager(DB_URL),
     )

jupyter_scheduler/tests/mocks.py

@@ -1,5 +1,6 @@
 from typing import Dict, List
 
+from jupyter_scheduler.download_manager import DownloadManager
 from jupyter_scheduler.environments import EnvironmentManager
 from jupyter_scheduler.executors import ExecutionManager
 from jupyter_scheduler.models import JobFeature, RuntimeEnvironment, UpdateJobDefinition
@@ -73,3 +74,8 @@ def pause_jobs(self, job_definition_id: str):
 
     def resume_jobs(self, job_definition_id: str):
         pass
+
+
+class MockDownloadManager(DownloadManager):
+    def __init__(self, db_url: str):
+        pass