Add basic test for the Assignee model (#621)

tests/test_assignee.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+from bugbug.models import assignee
+from bugbug.models.assignee import AssigneeModel
+
+
+def test_get_assignee_labels():
+    assignee.MINIMUM_ASSIGNMENTS = 1
+    model = AssigneeModel()
+    classes, _ = model.get_labels()
+    assert len(classes) != 0
+    assert classes[1320039] == "gijskruitbosch+bugs@gmail.com"
+    assert classes[1045018] == "padenot@mozilla.com"
+    assert 1319973 not in classes