fix bugs

Author: guillaume-vignal

tests/unit_tests/utils/test_utils.py

@@ -83,7 +83,7 @@ def test_truncate_str_3(self):
 
     def test_add_line_break_1(self):
         t = add_line_break(3453, 10)
-        assert t == 3453
+        assert t == "3453"
 
     def test_add_line_break_2(self):
         t = add_line_break("this is a very long sentence in order to make a very great test", 10)