visit_path.rb

# Perform a Capybara.visit to the given hostname.
def visit_path(path, at_host:)
  MyRailsHelper.set_capybara_host(to_domain: at_host)
  Capybara.visit path
end

module MyRailsHelper
  def self.set_capybara_host(to_domain:)
    Capybara.current_session.driver.reset!
    Capybara.app_host = "http://#{to_domain}"
    Capybara.always_include_port = true
  end
end