CLI arguments improvements, tests added

tests/conftest.py

@@ -6,6 +6,8 @@ import pytest
 from _pytest.mark import Mark
 
 from maigret.sites import MaigretDatabase
+from maigret.maigret import setup_arguments_parser
+
 
 CUR_PATH = os.path.dirname(os.path.realpath(__file__))
 JSON_FILE = os.path.join(CUR_PATH, '../maigret/resources/data.json')
@@ -51,3 +53,8 @@ def reports_autoclean():
     remove_test_reports()
     yield
     remove_test_reports()
+
+
+@pytest.fixture(scope='session')
+def argparser():
+    return setup_arguments_parser()