class RuboCop::Cop::RSpec::SubjectStub

def find_subject_expectations(node, subject_names = [], &block)
  subject_names = @explicit_subjects[node] if @explicit_subjects[node]
  expectation_detected = (subject_names + [:subject]).any? do |name|
    message_expectation?(node, name)
  end
  return yield(node) if expectation_detected
  node.each_child_node do |child|
    find_subject_expectations(child, subject_names, &block)
  end
end