Run action text system tests

docker-compose.yml

@@ -95,6 +95,11 @@ services:
       - memcached
       - chrome
 
+  actiontext:
+    <<: *default
+    depends_on:
+      - chrome
+
   memcached:
     image: memcached:alpine
 

pipeline-generate

@@ -317,6 +317,7 @@ steps_for("actioncable", "test:integration", service: "default") do |x|
     x["retry"] = { "automatic" => { "limit" => 3 } }
   end
 end
+steps_for("actiontext", "test:system", service: "default")
 if REPO_ROOT.join("actionview/Rakefile").read.include?("task :ujs")
   step_for("actionview", "test:ujs", service: "actionview") do |x|
     x["retry"] = { "automatic" => { "limit" => 3 } }