[FIX] test_mail_full, test_mass_mailing: fix some tool methods

Small improvements / fixes in tool methods used in python unit tests.

Task ID-2239327
Task ID-2239327
PR #49886

addons/test_mail_full/tests/common.py

@@ -10,7 +10,7 @@ class TestMailFullCommon(TestMassMailCommon, MassSMSCommon):
 
     @classmethod
     def _create_records_for_batch(cls, model, count):
-        records = cls.env['mail.test.sms']
+        records = cls.env[model]
         partners = cls.env['res.partner']
         country_id = cls.env.ref('base.be').id,
         for x in range(count):

addons/test_mass_mailing/tests/common.py

@@ -25,9 +25,12 @@ class TestMassMailCommon(MassMailCommon, TestMailCommon):
     @classmethod
     def _create_test_blacklist_records(cls, model='mailing.test.blacklist', count=1):
         """ Helper to create data. Currently simple, to be improved. """
+        Model = cls.env[model]
+        email_field = 'email' if 'email' in Model else 'email_from'
+
         records = cls.env[model].create([{
             'name': 'TestRecord_%02d' % x,
-            'email_from': '"TestCustomer %02d" <test.record.%02d@test.example.com>' % (x, x),
+            email_field: '"TestCustomer %02d" <test.record.%02d@test.example.com>' % (x, x),
         } for x in range(0, count)])
         return records