testing

spec/support/features/interaction_helper.rb

@@ -3,7 +3,8 @@ def click_spinner_button_and_wait(...)
     click_on(...)
     begin
       expect(page).to have_no_css('lg-spinner-button.spinner-button--spinner-active', wait: 10)
-    rescue Selenium::WebDriver::Error::StaleElementReferenceError
+    rescue Selenium::WebDriver::Error::StaleElementReferenceError,
+           Selenium::WebDriver::Error::UnknownError
       # A stale element error can occur when attempting to wait for the spinner to disappear if the
       # context in which the button was clicked (e.g. a `within` block) itself disappears. This is
       # fine, since if the ancestor disappears, it can be assumed that the button is gone too.