def test_is_credential_exists(self):
'''
Test case to test if a credential of a given account name exists
'''
self.new_credential.save_credential()
self.assertTrue(Credential.is_credential_exists(self.new_credential.account_name))
def is_credential_exists(account_name):
'''
Method that check if a credential exists
'''
return Credential.is_credential_exists(account_name)