The command is :- C:\Rspec Test\spec\models>spec bank_account_spec.rb

The error is :-

c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/rspec-rails-1.3.0/lib/spec/rails/
matchers/ ar_be_valid.rb:2: uninitialized constant Spec::Rails
(NameError) from c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/rspec-
rails-1.3.0/lib/spec/ra ils/matchers/ar_be_valid.rb:31:in require'
from c:/jruby-1.5.0/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:
31 :inrequire' from C:/Rspec Test/vendor/rails/activesupport/lib/
active_support/depende ncies.rb:158:in require' from c:/jruby-1.5.0/
lib/ruby/gems/1.8/gems/rspec-rails-1.3.0/lib/spec/ra ils/matchers.rb:2
from c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/rspec-rails-1.3.0/lib/spec/
ra ils/matchers.rb:31:inrequire' from c:/jruby-1.5.0/lib/ruby/
site_ruby/1.8/rubygems/custom_require.rb:31 :in require' from C:/Rspec
Test/vendor/rails/activesupport/lib/active_support/depende ncies.rb:
158:inrequire' from c:/jruby-1.5.0/lib/ruby/gems/1.8/gems/rspec-
rails-1.3.0/lib/spec/ra ils.rb:15 ... 13 levels... from C:/jruby-1.5.0/
lib/ruby/gems/1.8/gems/rspec-1.3.0/bin/spec:5 from C:/jruby-1.5.0/lib/
ruby/gems/1.8/gems/rspec-1.3.0/bin/spec:22:in `l oad' from c:/
jruby-1.5.0/bin/spec:22