# File lib/capybara_minitest_spec.rb, line 13
  def add_matcher(matcher_name)
    positive_name = CapybaraMiniTestSpec::PositiveTestName.new(matcher_name)
    negative_name = CapybaraMiniTestSpec::NegativeTestName.new(matcher_name)
    [positive_name, negative_name].each do |test_name|
      CapybaraMiniTestSpec.define_expectation(test_name)
    end
  end