```ruby
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
$LOAD_PATH.unshift(File.dirname(__FILE__))

require 'simplecov'
require 'coveralls'

SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[
  SimpleCov::Formatter::HTMLFormatter,
  Coveralls::SimpleCov::Formatter
]
SimpleCov.start

require 'test/unit'
require 'xmlhasher'

def fixture_path
  File.expand_path('../fixtures', __FILE__)
end

def fixture(file)
  File.new(fixture_path + '/' + file)
end
```

Fix deprecation warning on SimpleCov::Formatter::MultiFormatter use.
user
```ruby
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
$LOAD_PATH.unshift(File.dirname(__FILE__))

require 'simplecov'
require 'coveralls'

SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter.new [
  SimpleCov::Formatter::HTMLFormatter,
  Coveralls::SimpleCov::Formatter
]
SimpleCov.start

require 'test/unit'
require 'xmlhasher'

def fixture_path
  File.expand_path('../fixtures', __FILE__)
end

def fixture(file)
  File.new(fixture_path + '/' + file)
end
```
assistant