Returns the response after performing a GET request against the "admin:site-search" endpoint, with the given client and query. If site_search

Applies the admin client/user fixtures to the _request_with_patch helper

Returns the search box, visible in the open modal

Asserts that - for every call - the first arg is the same Request object

Verifies that the modal is closed by checking that the search input is not visible

Returns the search button, which opens the modal

Verifies that the modal is open by checking that the search input is visible

Opens the modal, with the button or keyboard, then waits for it to appear

Returns the response's content after GETing the admin site

* Appends an 's' if the count is not one.

Requests admin:index, then parses the content for the search.js script element. This should contain the necessary attributes to detect the admin U