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-rw-r--r--actionpack/lib/action_dispatch/system_test_case.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/actionpack/lib/action_dispatch/system_test_case.rb b/actionpack/lib/action_dispatch/system_test_case.rb
index 99d0c06751..393141535b 100644
--- a/actionpack/lib/action_dispatch/system_test_case.rb
+++ b/actionpack/lib/action_dispatch/system_test_case.rb
@@ -69,6 +69,9 @@ module ActionDispatch
# size of the browser screen. These two options are not applicable for
# headless drivers and will be silently ignored if passed.
#
+ # Headless browsers such as headless Chrome and headless Firefox are also supported.
+ # You can use these browsers by setting the +:using+ argument to +:headless_chrome+ or +:headless_firefox+.
+ #
# To use a headless driver, like Poltergeist, update your Gemfile to use
# Poltergeist instead of Selenium and then declare the driver name in the
# +application_system_test_case.rb+ file. In this case, you would leave out