`require': No such file to load — test_helper (LoadError)

/home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:in require': No such file to load -- test_helper (LoadError) from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:inblock in require' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:214:in load_dependency' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:inrequire' from /home/acer-pc/Documents/Projects/DFL/Working/DFL/app/controllers/quarterly_export_statement_test.rb:1:in <top (required)>' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:inrequire' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:in block in require' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:214:inload_dependency' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:in require' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:330:inrequire_or_load' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:289:in depend_on' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:207:inrequire_dependency' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:465:in block (2 levels) in eager_load!' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:464:ineach' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:464:in block in eager_load!' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:462:ineach' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:462:in eager_load!' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/engine.rb:347:ineager_load!' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/application/finisher.rb:56:in each' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/application/finisher.rb:56:inblock in module:Finisher' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/initializable.rb:30:in instance_exec' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/initializable.rb:30:inrun' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/initializable.rb:55:in block in run_initializers' from /home/acer-pc/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/tsort.rb:345:ineach' from /home/acer-pc/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/tsort.rb:345:in call' from /home/acer-pc/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/tsort.rb:345:ineach_strongly_connected_component' from /home/acer-pc/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/tsort.rb:224:in tsort_each' from /home/acer-pc/.rvm/rubies/ruby-2.2.0/lib/ruby/2.2.0/tsort.rb:203:intsort_each' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/initializable.rb:54:in run_initializers' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/application.rb:215:ininitialize!' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/railtie/configurable.rb:30:in method_missing' from /home/acer-pc/Documents/Projects/DFL/Working/DFL/config/environment.rb:5:in<top (required)>' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:in require' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:inblock in require' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:214:in load_dependency' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/activesupport-4.0.2/lib/active_support/dependencies.rb:229:inrequire' from /home/acer-pc/Documents/Projects/DFL/Working/DFL/config.ru:3:in block in <main>' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/builder.rb:55:ininstance_eval' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/builder.rb:55:in initialize' from /home/acer-pc/Documents/Projects/DFL/Working/DFL/config.ru:innew' from /home/acer-pc/Documents/Projects/DFL/Working/DFL/config.ru:in <main>' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/builder.rb:49:ineval' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/builder.rb:49:in new_from_string' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/builder.rb:40:inparse_file' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/server.rb:277:in build_app_and_options_from_config' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/server.rb:199:inapp' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/commands/server.rb:48:in app' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/rack-1.5.5/lib/rack/server.rb:314:inwrapped_app' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/commands/server.rb:75:in start' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/commands.rb:76:inblock in <top (required)>' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/commands.rb:71:in tap' from /home/acer-pc/.rvm/gems/ruby-2.2.0@dfl/gems/railties-4.0.2/lib/rails/commands.rb:71:in<top (required)>' from bin/rails:4:in require' from bin/rails:4:in

Getting the above error when i run the my rails application on production mode.

burke / zeus

`require': No such file to load — test_helper (LoadError) #540