Fix tests

tests/test_argparse.py

@@ -1,5 +1,6 @@
 """Test the command line interface. The CLI interface is implemented with
 argparse."""
+from __future__ import annotations
 
 import io
 import subprocess

tests/test_boot_not_finised.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from tests.helper import MPopen, execute_main
 
 

tests/test_data_source_cli.py

@@ -1,4 +1,5 @@
 """Unit tests"""
+from __future__ import annotations
 
 from unittest.mock import patch
 

tests/test_dbus.py

@@ -1,4 +1,5 @@
 """Test the D-Bus API as a data source."""
+from __future__ import annotations
 
 from unittest.mock import patch
 

tests/test_option_exclude.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from tests.helper import MockResult, execute_main
 
 

tests/test_option_ignore_inactive_state.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from tests.helper import execute_main
 
 

tests/test_scope_startup_time.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from tests.helper import execute_main
 
 

tests/test_type_checkers.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from check_systemd import (
     _check_active_state,  # type: ignore
     _check_load_state,  # type: ignore

tests/test_unit.py

@@ -1,4 +1,5 @@
 """Unit tests"""
+from __future__ import annotations
 
 from unittest.mock import patch
 

tests/test_version246.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from tests.helper import execute_main