readme update

README.md

@@ -9,6 +9,12 @@ Lightweight Livewire component that allow you to easily build a wizard (multi-st
 
 This package utilizes [Livewire 3 forms objects](https://livewire.laravel.com/docs/forms#extracting-a-form-object) as steps and needs only one Livewire component as a Wizard.
 
+![screenshot](https://github.com/satoved/laravel-livewire-steps/blob/main/docs/images/demo-screenshot.png?raw=true)
+
+Here's what a wizard could look like.
+
+In [this repo on GitHub](https://github.com/satoved/laravel-livewire-steps-demo), you'll find a demo Laravel application that uses the laravel-livewire-steps package to create a simple email subscription flow.
+
 ## Installation
 
 You can install the package via composer:

tests/WizardTest.php

@@ -4,6 +4,7 @@
 use Satoved\LivewireSteps\Exceptions\NoNextStep;
 use Satoved\LivewireSteps\Livewire\WizardComponent;
 use Satoved\LivewireSteps\Tests\TestSupport\MyWizardComponent;
+use Satoved\LivewireSteps\Tests\TestSupport\Steps\FirstStepForm;
 use Satoved\LivewireSteps\Tests\TestSupport\Steps\SecondStepForm;
 use Satoved\LivewireSteps\Tests\TestSupport\Steps\SomeIntricateNameStepForm;
 
@@ -48,6 +49,15 @@
         ->assertSee('__SECOND_STEP_BODY__');
 });
 
+it('can go to a specific step backwards', function () {
+    Livewire::test(MyWizardComponent::class)
+        ->call('nextStep')
+        ->assertSet('currentStepIndex', 1)
+        ->call('toStep', FirstStepForm::id())
+        ->assertSet('currentStepIndex', 0)
+        ->assertSee('__FIRST_STEP_BODY__');
+});
+
 it('adds unique wire:key to steps', function () {
     Livewire::test(MyWizardComponent::class)
         ->assertSeeHtml(' wire:key="wizard-step-FirstStepForm"')
@@ -56,8 +66,7 @@
 });
 
 it('has default labels for steps', function () {
-    $class = new class extends WizardComponent
-    {
+    $class = new class extends WizardComponent {
         public SomeIntricateNameStepForm $someIntricateNameStepForm;
 
         public function render()