class RSpec::Mocks::ProxyForNil

def set_expectation_behavior
  case RSpec::Mocks.configuration.allow_message_expectations_on_nil
  when false
    @warn_about_expectations = false
    @disallow_expectations = true
  when true
    @warn_about_expectations = false
    @disallow_expectations = false
  else
    @warn_about_expectations = true
    @disallow_expectations = false
  end
end