code: def test_create_s3_mount_successfully():
      mount = Mount(source="s3://foo/bar/", mount_path="/foo")
      assert mount.source == "s3://foo/bar/"
      assert mount.mount_path == "/foo"
      assert mount.protocol == "s3://"
  
imports: import pytest
  from lightning.app.storage.mount import Mount
label_desc: Use image node_id 1 for calling a global function with example usage: test_create_s3_mount_successfully() without return types