text: import pytest
  from datetime import datetime
  
  from src.inspetor.model.inspetor_category import InspetorCategory
  from src.inspetor.exception.model_exception.inspetor_category_exception import InspetorCategoryException
  
  class TestInspetorCategory:
  
      def get_default_category(self):
          category = InspetorCategory()
          category.id = "123"
          category.name = "Category"
  
          return category
  
      def test_if_is_valid(self):
          category = self.get_default_category()
          assert category.is_valid() is None