code: def test_samesite_attrs(self):
      samesite_values = ["Strict", "Lax", "strict", "lax"]
      for val in samesite_values:
          with self.subTest(val=val):
              C = cookies.SimpleCookie('Customer="WILE_E_COYOTE"')
              C["Customer"]["samesite"] = val
              self.assertEqual(
                  C.output(),
                  'Set-Cookie: Customer="WILE_E_COYOTE"; SameSite=%s'
                  % val,
              )
  
              C = cookies.SimpleCookie()
              C.load('Customer="WILL_E_COYOTE"; SameSite=%s' % val)
              self.assertEqual(C["Customer"]["samesite"], val)
  
imports: import copy
  import unittest
  import doctest
  from http import cookies
  import pickle
label_desc: Use image node_id 6 for calling the CookieTests obj's underlying member method code with example usage: obj.test_samesite_attrs() without return types