diff --git a/mail_sent/tests/__init__.py b/mail_sent/tests/__init__.py
index c91c41d..3fc40a2 100644
--- a/mail_sent/tests/__init__.py
+++ b/mail_sent/tests/__init__.py
@@ -1 +1 @@
-from . import test_js
+from . import test_js, test_mail_compose
diff --git a/mail_sent/tests/test_mail_compose.py b/mail_sent/tests/test_mail_compose.py
new file mode 100644
index 0000000..e8bdfdc
--- /dev/null
+++ b/mail_sent/tests/test_mail_compose.py
@@ -0,0 +1,12 @@
+# Copyright 2020 Denis Mudarisov <https://github.com/trojikman>
+# License MIT (https://opensource.org/licenses/MIT).
+
+from odoo.tests.common import HttpCase, tagged
+
+
+@tagged("post_install", "at_install")
+class TestSaas(HttpCase):
+    def test_mail_compose(self):
+        # this is enough to reproduce the error
+        # from https://github.com/itpp-labs/mail-addons/issues/290
+        self.env["mail.compose.message"].create({})