Refactor email validation contract

tests/validations/test_email_validation_contract.py

@@ -1,20 +1,22 @@
 from flunt.validations.contract import Contract
 
+message = "Custom message here"
+
 
 def test_should_be_valid_when_correct_email(entityMock):
  contract = (
  Contract()
- .requires(entityMock.email_valid, "Email")
- .is_email(entityMock.email_valid, "email", "any message")
+ .requires(entityMock.email_valid, "Email", message)
+ .is_email(entityMock.email_valid, "email", message)
  )
- assert contract.is_valid()
+ assert contract.is_valid
  assert len(contract.get_notifications()) == 0
 
 
 def test_should_return_a_once_notification_when_email_is_invalid(entityMock):
  contract = (
  Contract()
- .requires(entityMock.email_invalid, "Email")
- .is_email(entityMock.email_invalid, "email", "any message")
+ .requires(entityMock.email_invalid, "Email", message)
+ .is_email(entityMock.email_invalid, "email", message)
  )
  assert len(contract.get_notifications()) == 1