Updated test to include env var patching

tests/test_main.py

@@ -4,6 +4,9 @@
 
 
 @patch("logging.info")
-def test_main_call_logging(mock_logging):
+def test_main_call_logging(mock_logging, monkeypatch):
+    foo_env = "test"
+    monkeypatch.setenv("FOO", foo_env)
+
     main()
-    mock_logging.assert_called_with("Hello World!")
+    mock_logging.assert_called_with(f"Hello World! foo={foo_env}")