Capybara::Session Page Navigations

go_back
go_forward
visit(https://dev.to/new)

window = page.driver.browser.window_handles
if window.size > 1 
  page.driver.browser.switch_to.window(window.last)
  page.driver.browser.close
  page.driver.browser.switch_to.window(window.first)
end

switch_to_window(window_opened_by{ click_link('click here!') })
# do something

switch_to_window(windows.first)

within_window(window_opened_by{ click_link('click here!') }) do
  # do something
end

status_code
response_header