rspec users - Sep 2010 - specs inside subfolder of lib folder not displaying proper error messages

hi
im facing this issue in which if i place a failing spec inside a subfolder
of my lib folder then along with the error message the file name and the
line number is not shown.
output as below:

''Test one'' FAILED
expected: 2,
     got: 1 (using ==)


but if i move the spec directly under lib or any other folder then i see the
file name and line number with error message as below
''Test one'' FAILED
expected: 2,
     got: 1 (using ==)
./spec/SFA/foo_spec.rb:6:

my project structure is somewhat like below
project
project/app
project/app/models
project/lib
project/lib/extension
project/spec
project/spec/app
project/spec/lib
project/spec/lib/extension

so if i place the spec file under ''project/spec/lib/extension''
or any folder
in that level then i do not see the file name and line number along with
error msg.

please advice

regards,
manish
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and just to add, this is not a rails app
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