Fix typo in comment

dnas/tests/test_git.py

@@ -160,7 +160,7 @@ def test_clear(self: "test_git") -> None:
     def test_clone(self: "test_git") -> None:
         """
         Git clone should fail if there is an existing directory, that contains a
-        different repo. Create the base direcory with an empty .git sub-dir
+        different repo. Create the base directory with an empty .git sub-dir
         (which is invalid for git)
         """
         try: