Added tests for skeleton module

app/specs/directory.py

@@ -1,6 +1,4 @@
 """Module defining a directory-based spec."""
-
-
 from .spec import Spec
 from pathlib import Path
 from typing import Union

app/specs/spec.py

@@ -1,7 +1,4 @@
 """This module contains the base Spec class."""
-
-
-from pathlib import Path
 from typing import Union, Dict
 import skeleton
 import os

app/specs/volume.py

@@ -1,6 +1,4 @@
 """Module defining a Docker volume-based spec."""
-
-
 from .spec import Spec
 from typing import Union
 from pathlib import Path