When I run unit test it fails.
/home/gobi/workspace/0001_myweb/config/environment.rb:1:in `require': no such file to load -- action_mailer (LoadError) from /home/gobi/workspace/0001_myweb/config/environment.rb:1 from ./test/unit/../test_helper.rb:2:in `require' from ./test/unit/../test_helper.rb:2 from test/unit/user_test.rb:1:in `require' from test/unit/user_test.rb:1
But when I run rails application it is working no problem.
How can I run the Unit Test.
Could someone teach me how?