class RuboCop::Cop::RSpec::DescribedClass

def offensive_described_class?(node)
  return false unless node.const_type?
  # E.g. `described_class::CONSTANT`
  return false if contains_described_class?(node)
  nearest_described_class, = node.each_ancestor(:block)
    .map { |ancestor| described_constant(ancestor) }.find(&:itself)
  return false if nearest_described_class.equal?(node)
  full_const_name(nearest_described_class) == full_const_name(node)
end