class RuboCop::Cop::RSpec::DescribeMethod

end
describe MyClass, ‘.my_class_method’ do
end
describe MyClass, ‘#my_instance_method’ do
# good
end
describe MyClass, ‘do something’ do
# bad
@example
Checks that the second argument to ‘describe` specifies a method.

def on_top_level_group(node) 

def on_top_level_group(node)
  second_argument = second_argument(node)
  return unless second_argument
  return if second_argument.str_content.start_with?('#', '.')
  add_offense(second_argument)
end