email: Add basic functional tests

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>

plinth/modules/email/tests/test_functional.py

@@ -0,0 +1,27 @@
+# SPDX-License-Identifier: AGPL-3.0-or-later
+"""
+Functional, browser based tests for email app.
+"""
+
+import pytest
+
+from plinth.tests import functional
+
+pytestmark = [pytest.mark.apps, pytest.mark.email]
+
+
+class TestEmailApp(functional.BaseAppTests):
+    app_name = 'email'
+    has_service = True
+    has_web = False
+    check_diagnostics = True
+
+    @pytest.fixture(autouse=True)
+    def fixture_background(self, session_browser):
+        functional.login(session_browser)
+        functional.set_advanced_mode(session_browser, True)
+        functional.install(session_browser, self.app_name)
+        functional.app_enable(session_browser, self.app_name)
+        yield
+        functional.login(session_browser)
+        functional.app_disable(session_browser, self.app_name)

pyproject.toml

@@ -30,6 +30,7 @@ markers = [
     "domain",
     "dynamicdns",
     "ejabberd",
+    "email",
     "gitweb",
     "help",
     "i2p",