Extend to macOS.

Author: JoeZiminski

tests/ssh_test_utils.py

@@ -105,7 +105,7 @@ def setup_ssh_container(container_name):
     image_path = Path(__file__).parent / "ssh_test_images"
     os.chdir(image_path)
 
-    if platform.system() == "Linux":
+    if platform.system() != "Windows":
         build_command = "sudo docker build -t ssh_server ."
         run_command = f"sudo docker run -d -p {PORT}:22 --name {container_name} ssh_server"
     else: