<commit_before>*   Prevent `?null=` being passed on JSON encoded test requests.

    `RequestEncoder#encode_params` won't attempt to parse params if
    there are none.

    So call like this will no longer append a `?null=` query param.

        get foos_url, as: :json

    *<NAME>*

*   Pass along arguments to underlying `get` method in `follow_redirect!`
<commit_msg>[ci skip] Strike changelog entry, since it's 5.2 backported.<commit_after>*   Pass along arguments to underlying `get` method in `follow_redirect!`

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