Added placeholders for empty models

tests/test_models.py

@@ -55,6 +55,12 @@ class test_models(unittest.TestCase):
         # Проверка
         assert isinstance(nom, nomenclature_model)
         assert nom.full_name == fn
+
+    def test_warehouse(self):
+        pass
+
+    def test_nomenclature_group(self):
+        pass
         
     def test_base_name_validation(self):
         # Подготовка