Raised when a step matches 2 or more StepDefinitions
# File lib/cucumber/errors.rb, line 26 def initialize(step_name, step_definitions, used_guess) message = "Ambiguous match of \"#{step_name}\":\n\n" message << step_definitions.map{|sd| sd.backtrace_line}.join("\n") message << "\n\n" message << "You can run again with --guess to make Cucumber be more smart about it\n" unless used_guess super(message) end