Properly eagerly-load the Capybara server for JS feature specs only

Signed-off-by: Rémy Coutable <remy@rymai.me>

features/support/capybara.rb

@@ -3,7 +3,7 @@ require 'capybara/poltergeist'
 require 'capybara-screenshot/spinach'
 
 # Give CI some extra time
-timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 40 : 10
+timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 60 : 30
 
 Capybara.javascript_driver = :poltergeist
 Capybara.register_driver :poltergeist do |app|

spec/support/capybara.rb

+# rubocop:disable Style/GlobalVars
 require 'capybara/rails'
 require 'capybara/rspec'
 require 'capybara/poltergeist'
 require 'capybara-screenshot/rspec'
 
 # Give CI some extra time
-timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 40 : 10
+timeout = (ENV['CI'] || ENV['CI_SERVER']) ? 60 : 30
 
 Capybara.javascript_driver = :poltergeist
 Capybara.register_driver :poltergeist do |app|
@@ -26,7 +27,10 @@ Capybara.ignore_hidden_elements = true
 Capybara::Screenshot.prune_strategy = :keep_last_run
 
 RSpec.configure do |config|
-  config.before(:suite) do
+  config.before(:context, :js) do
+    next if $capybara_server_already_started
+
     TestEnv.eager_load_driver_server
+    $capybara_server_already_started = true
   end
 end

spec/support/test_env.rb

@@ -172,7 +172,8 @@ module TestEnv
   def eager_load_driver_server
     return unless defined?(Capybara)
 
-    Capybara.current_session.driver.visit '/'
+    puts "Starting the Capybara driver' server..."
+    Capybara.current_session.visit '/'
   end
 
   private