Skip eager loading during dummy app generation

Pageflow cannot be eager loaded while it has not been configured
yet. Once the initializer has been generated, we can test eager
loading as part of the main test suite.

REDMINE-20487

spec/support/pageflow/dummy/app.rb

@@ -11,7 +11,8 @@ def generate
         if File.exist?(directory)
           puts("Dummy directory #{directory} exists.")
         else
-          system("bundle exec rails new #{directory} --skip-spring " \
+          system('SKIP_EAGER_LOAD=true ' \
+                 "bundle exec rails new #{directory} --skip-spring " \
                  "--template #{template_path} #{rails_new_options}") ||
             raise('Error generating dummy app.')
         end

spec/support/pageflow/dummy/rails_template.rb

@@ -21,6 +21,10 @@ def source_paths
           /^  database: /,
           "  database: #{database_prefix}-")
 
+gsub_file('config/environments/test.rb',
+          'config.eager_load = ENV["CI"].present?',
+          'config.eager_load = ENV["CI"].present? && !ENV["SKIP_EAGER_LOAD"]')
+
 append_to_file('config/application.rb', <<-END)
   if ENV['PAGEFLOW_DB_HOST'].present?
     ActiveRecord::Tasks::DatabaseTasks::LOCAL_HOSTS << ENV['PAGEFLOW_DB_HOST']