Basic tests

src/sektorsim/__init__.py

+from .a import a as a
+from .b import b as b
+
 __version__ = "0.0.1"

src/sektorsim/a.py

-def a(x: float):
+def a(x: float) -> float:
     return x + 1

src/sektorsim/b.py

+def b(x: float) -> float:
+    return x + 2

src/sektorsim/tests/test_sektorsim.py

+import unittest
+import sektorsim
+
+class TestClass(unittest.TestCase):
+
+    def test_method(self):
+        self.assertEqual('foo'.upper(), 'FOO')
+        self.assertEqual(sektorsim.a(3), 4)
+        self.assertEqual(sektorsim.b(3), 5)
+
+
+if __name__ == '__main__':
+    unittest.main()