Description

Story book is not showing the components

Reproduction Steps

1. open storybook - http://design.if-me.org/
2. open any available component - http://design.if-me.org/?path=/story/components-header--with-no-active-link
3. observe error instead of a component view

undefined is not an object (evaluating 'new _marked.default.Renderer')

Screenshots

<img width="192

I'm seeing double/instance_double/class_double/object_double/spy etc. being called with sometimes a string, sometimes a symbol (perhaps because the rspec-mocks documentation explicitly allows both), and of course sometimes a constant referring to a class or module.

I think mixing string and symbol arguments is a bit of a mess, so I would propose making a new cop that enforces either one or the