Review fixes

tests/test_keynodes.py

@@ -42,8 +42,11 @@ def test_rrel(self):
         self.assertTrue(rrel_1.is_valid())
         self.assertTrue(get_elements_types(rrel_1)[0].is_role())
 
-    def test_large_rrel(self):
+    def test_max_rrel(self):
         self.assertRaises(KeyError, ScKeynodes.rrel_index, ScKeynodes._max_rrel_index + 1)
 
+    def test_min_rrel(self):
+        self.assertRaises(KeyError, ScKeynodes.rrel_index, ScKeynodes._min_rrel_index - 1)
+
     def test_wrong_rrel(self):
         self.assertRaises(TypeError, ScKeynodes.rrel_index, "str")

tests/test_utils/test_common_utils.py

@@ -4,9 +4,11 @@
 (See an accompanying file LICENSE or a copy at https://opensource.org/licenses/MIT)
 """
 
+import pytest
+
 from sc_client import client
 from sc_client.client import erase_elements
-from sc_client.constants import sc_type
+from sc_client.constants import sc_type, exceptions
 
 from sc_kpm import ScKeynodes
 from sc_kpm.utils.common_utils import (
@@ -136,3 +138,4 @@ def test_deletion_utils(self):
         nrel_connector = generate_non_role_relation(src, nrel_trg)
         assert erase_connectors(src, rrel_trg, sc_type.VAR_PERM_POS_ARC)
         assert erase_elements(nrel_connector, src, rrel_trg, nrel_trg)
+        self.assertRaises(exceptions.ServerError, client.check_elements(rrel_connector)[0])