i start new nulled gem project in ruby mine and have error

Question

on os x 10.9.5 i start new gem project in ruby mine

require "test/version"

module Test
  puts "123"
end

and have error

/usr/bin/ruby -e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift) /Users/qwerty/Documents/ruby/test/lib/test.rb
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- test/version (LoadError)
    from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:55:in `require'
    from /Users/qwerty/Documents/ruby/test/lib/test.rb:1:in `<top (required)>'
    from -e:1:in `load'
    from -e:1:in `<main>'

Process finished with exit code 1