add cli tests and test paginated searching in search api test

tests/ceod/api/test_groups.py

@@ -285,7 +285,7 @@ def create_searchable_groups(client, create_random_names):
 def test_api_group_search(client, create_searchable_groups):
     cns = create_searchable_groups
     # pairs of cn indices as well as amount of results that should be returned
-    random_numbers = [ 
+    random_numbers = [
         (88, 68),
         (117, 54),
         (63, 97),