Bug Fix For CLI crash (#82)

Fixed import statement and added a test file for the cli

imap_data_access/cli.py

@@ -20,9 +20,8 @@
 import os
 from pathlib import Path
 
-from file_validation import ScienceFilePath
-
 import imap_data_access
+from imap_data_access.file_validation import ScienceFilePath
 
 
 def _download_parser(args: argparse.Namespace):

tests/test_cli.py

@@ -0,0 +1,16 @@
+"""Tests for the CLI options."""
+
+import sys
+from unittest import mock
+
+import pytest
+
+from imap_data_access import cli
+
+
+def test_cli_works():
+    """Smoke test for the CLI module making sure it is callable."""
+    with mock.patch.object(sys, "argv", ["imap-data-access", "-h"]):
+        # Should have a 0 SystemExit return code if successful
+        with pytest.raises(SystemExit, match="0"):
+            cli.main()