# File lib/rspec/matchers/built_in/be.rb, line 109 def failure_message_for_should_not message = "'should_not be \#{@operator} \#{@expected}' not only FAILED,\nit is a bit confusing.\n" raise message << ([:===,:==].include?(@operator) ? "It might be more clearly expressed without the \"be\"?" : "It might be more clearly expressed in the positive?") end