adds test

Author: sebastian-muthwill

tests/test_init.py

@@ -0,0 +1,12 @@
+from django.test import TestCase
+from importlib.metadata import version, PackageNotFoundError
+from . import __version__
+
+class TestNewsletterInit(TestCase):
+
+    def test_version(self):
+        try:
+            expected_version = version("django-newsletter")
+        except PackageNotFoundError:
+            expected_version = None
+        self.assertEqual(__version__, expected_version)