How to Set dropdown :readolny=>false in automation

Hi,

I have one dropdown field which is set as readonly in the UI and because
of this i’m not able to set the dropdown value in the ruby automation
please help.

the below line does not work due to readonly set to True.
@browser.text_field(:id =>
/xwt_widget_form_FilteringSelect_/).set(“HTTP”)

can somebody please provide the solution for this.