サインアップ失敗時のテストが通らない

Question

##困っていること・前提
Railsチュートリアルの７章に取り組んでいるのですがテストが上手く通らなく困っています。
ご教授いただけましたら幸いです。

##エラー

$ rails t
ERROR["test_invalid_signup_information", #<Minitest::Reporters::Suite:0x00007f9ebe304698 @name="UsersSignupTest">, 1.364265999989584]
 test_invalid_signup_information#UsersSignupTest (1.36s)
ArgumentError:         ArgumentError: wrong number of arguments (given 2, expected 1)
            test/integration/users_signup_test.rb:8:in `block (2 levels) in <class:UsersSignupTest>'
            test/integration/users_signup_test.rb:7:in `block in <class:UsersSignupTest>'

  17/17: [====================================================================================================] 100% Time: 00:00:01, Time: 00:00:01

Finished in 1.53150s
17 tests, 34 assertions, 0 failures, 1 errors, 0 skips

##app/controllers/users_controller.rb

class UsersController < ApplicationController
  def new
    @user = User.new
  end

  def show
    @user = User.find(params[:id])
  end

  def create
    @user = User.new(user_params)
    if @user.save
      # 保存の成功をここで扱う。
    else
      render 'new'
    end
  end

  private

    def user_params
      params.require(:user).permit(:name, :email, :password,
                                   :password_confirmation)
    end
end

##test/integration/users_signup_test.rb

require 'test_helper'

class UsersSignupTest < ActionDispatch::IntegrationTest

  test "invalid signup information" do
    get signup_path
    assert_no_difference 'User.count' do
      post users_path, params: { user: { name:  "",
                                         email: "user@invalid",
                                         password:              "foo",
                                         password_confirmation: "bar" } }
    end
    assert_template 'users/new'
  end
end

##app/views/users/new.html.erb

<% provide(:title, 'Sign up') %>
<h1>Sign up</h1>

<div class="row">
  <div class="col-md-6 col-md-offset-3">
    <%= form_with(model: @user, local: true) do |f| %>
      <%= render 'shared/error_messages' %>

      <%= f.label :name %>
      <%= f.text_field :name, class: 'form-control' %>

      <%= f.label :email %>
      <%= f.email_field :email, class: 'form-control' %>

      <%= f.label :password %>
      <%= f.password_field :password, class: 'form-control' %>

      <%= f.label :password_confirmation, "Confirmation" %>
      <%= f.password_field :password_confirmation, class: 'form-control' %>

      <%= f.submit "Create my account", class: "btn btn-primary" %>
    <% end %>
  </div>
</div>

##app/views/shared/_error_messages.html.erb

<% if @user.errors.any? %>
  <div id="error_explanation">
    <div class="alert alert-danger">
      The form contains <%= pluralize(@user.errors.count, "error") %>.
    </div>
    <ul>
    <% @user.errors.full_messages.each do |msg| %>
      <li><%= msg %></li>
    <% end %>
    </ul>
  </div>
<% end %>