test: Add tests directory to migrate unit tests to project

MANIFEST.in

@@ -6,3 +6,4 @@ include MANIFEST.in
 include README.md
 include requirements.txt
 include setup.py
+recursive-include tests *

requirements.txt

@@ -1,4 +1,5 @@
 # Build dependencies
+pytest-cov
 setuptools
 sphinx
 wheel

tests/test_import.py

@@ -0,0 +1,14 @@
+# -*- coding: utf-8 -*-
+"""Test module import."""
+# SPDX-FileCopyrightText: 2023 Sven Sager
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import unittest
+
+
+class ModuleImport(unittest.TestCase):
+    def test_import(self):
+        """Test the import of the module."""
+        import revpimodio2
+
+        self.assertEqual(type(revpimodio2.__version__), str)