--- 
assert_raise: |-
  # 'cheat assertions' for the rest
  
  assert_raise(*args) {|| ...}
  
  Passes if the block raises one of the given exceptions.
  
  Examples:
  
    assert_raise RuntimeError, LoadError do
      raise 'Boom!!!'
    end
  
  
    assert_raise(ActionController::RoutingError) {
      assert_routing 'invalid/url', { }
    }