Phoenix.LiveViewTest.open_browser

You're seeing just the function open_browser, go back to Phoenix.LiveViewTest module for more information.
Link to this function

open_browser(view_or_element, open_fun \\ &open_with_system_cmd/1)

View Source

Open the default browser to display current HTML of view_or_element.

Examples

view
|> element("#term a:first-child()", "Increment")
|> open_browser()

assert view
       |> form("#term", user: %{name: "hello"})
       |> open_browser()
       |> render_submit() =~ "Name updated"