```ruby
require 'rubygems'
require 'test/unit'
require 'shoulda'
require 'matchy'
require 'fakeweb'

FakeWeb.allow_net_connect = false

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
$LOAD_PATH.unshift(File.dirname(__FILE__))
require 'columbus'

class Test::Unit::TestCase
end

def fixture_file(file)
  File.read(File.join(File.dirname(__FILE__), 'fixtures', file))
end```

Put fixture file in test unit testcase
user
```ruby
require 'rubygems'
require 'test/unit'
require 'shoulda'
require 'matchy'
require 'fakeweb'

FakeWeb.allow_net_connect = false

$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
$LOAD_PATH.unshift(File.dirname(__FILE__))
require 'columbus'

class Test::Unit::TestCase
  def fixture_file(file)
    File.read(File.join(File.dirname(__FILE__), 'fixtures', file))
  end
end```
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