Take browser_url for fqdn.

test/browser/aaa_getting_started_test.rb

@@ -12,12 +12,6 @@ class AaaGettingStartedTest < TestCase
     mailbox_user     = ENV['MAILBOX_INIT'].split(':')[0]
     mailbox_password = ENV['MAILBOX_INIT'].split(':')[1]
 
-    url = if ENV['BROWSER_URL']
-            ENV['BROWSER_URL']
-          else
-            'http://localhost:3000'
-          end
-
     @browser = browser_instance
     location( url: browser_url )
     watch_for(
@@ -77,7 +71,7 @@ class AaaGettingStartedTest < TestCase
     )
     set(
       css: '.js-base input[name="url"]',
-      value: url,
+      value: browser_url,
     )
     click(
       css: '.js-base .btn--primary',