docs: function assertEqual (_super) {
      return function (val) {
        const props = utils.flag(this, 'excludingProps')
  
        if (utils.flag(this, 'excluding')) {
          val = removeKeysFrom(val, props)
        } else if (utils.flag(this, 'excludingEvery')) {
          val = removeKeysFrom(val, props, true)
        }
  
        // In case of 'use strict' and babelified code
        arguments[0] = val
  
        _super.apply(this, arguments)
      }
    }