[s3-tests][leo_gateway] Failed some s3tests due to lack of http request check

Fix 3 cases with below commits.
https://github.com/leo-project/leo_gateway/commit/37c677f0f29b84b5b9c519aecd0258ca75fb7259
https://github.com/leo-project/leo_gateway/commit/fd5c49f9b27733e4ccb07958e0f2fb461d821340
https://github.com/leo-project/leo_gateway/commit/2fa4132d60e8afcbcec79416edd0dce073573d0d
