diff --git a/src/WizardServiceProvider.php b/src/WizardServiceProvider.php
index e1a7f69..c4a60f2 100644
--- a/src/WizardServiceProvider.php
+++ b/src/WizardServiceProvider.php
@@ -27,8 +27,8 @@ public function bootingPackage()
 
     public function registerLivewireTestMacros()
     {
-        Component::macro('testStep', function (string $stepClass, array $state = []) {
-            $wizardComponent = Livewire::test(static::class, ['initialState' => $state]);
+        Component::macro('testStep', function (string $stepClass, array $state = [], array $params = []) {
+            $wizardComponent = Livewire::test(static::class, array_merge(['initialState' => $state], $params));
             $wizard = $wizardComponent->invade();
             $wizard->mountMountsWizard($stepClass, $state);
 
diff --git a/tests/TestStepMacroTest.php b/tests/TestStepMacroTest.php
index 9b7de43..a6e612d 100644
--- a/tests/TestStepMacroTest.php
+++ b/tests/TestStepMacroTest.php
@@ -2,7 +2,9 @@
 
 use Spatie\LivewireWizard\Tests\TestSupport\Components\MyWizardComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\FirstStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\MountStepComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\SecondStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\WizardWithMountComponent;
 
 it('can test a step without state', function () {
     MyWizardComponent::testStep(FirstStepComponent::class)
@@ -25,3 +27,14 @@
         ],
     ]);
 })->throws(Exception::class);
+
+it('can test wizard with params', function () {
+    WizardWithMountComponent::testStep(MountStepComponent::class, params: [
+        'counter' => 999,
+    ])
+        ->assertSee('Mount step');
+});
+
+it('cant test wizard without params', function () {
+    WizardWithMountComponent::testStep(MountStepComponent::class);
+})->throws(Exception::class);
diff --git a/tests/TestSupport/Components/Steps/MountStepComponent.php b/tests/TestSupport/Components/Steps/MountStepComponent.php
new file mode 100644
index 0000000..1f02d85
--- /dev/null
+++ b/tests/TestSupport/Components/Steps/MountStepComponent.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Spatie\LivewireWizard\Tests\TestSupport\Components\Steps;
+
+use Spatie\LivewireWizard\Components\StepComponent;
+
+class MountStepComponent extends StepComponent
+{
+    public function render()
+    {
+        return view('test::mount-step');
+    }
+}
diff --git a/tests/TestSupport/Components/WizardWithMountComponent.php b/tests/TestSupport/Components/WizardWithMountComponent.php
new file mode 100644
index 0000000..cb98d63
--- /dev/null
+++ b/tests/TestSupport/Components/WizardWithMountComponent.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace Spatie\LivewireWizard\Tests\TestSupport\Components;
+
+use Spatie\LivewireWizard\Components\WizardComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\FirstStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\FourthStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\MountStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\SecondStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\ThirdStepComponent;
+
+class WizardWithMountComponent extends WizardComponent
+{
+    public int $counter;
+
+    public function mount(int $counter): void
+    {
+        $this->counter = $counter;
+    }
+
+    public function steps(): array
+    {
+        return [
+            MountStepComponent::class,
+        ];
+    }
+}
diff --git a/tests/TestSupport/TestCase.php b/tests/TestSupport/TestCase.php
index 1c34464..281228c 100644
--- a/tests/TestSupport/TestCase.php
+++ b/tests/TestSupport/TestCase.php
@@ -14,6 +14,7 @@
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\CustomStateStepComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\FirstStepComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\FourthStepComponent;
+use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\MountStepComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\SecondStepComponent;
 use Spatie\LivewireWizard\Tests\TestSupport\Components\Steps\ThirdStepComponent;
 use Spatie\LivewireWizard\WizardServiceProvider;
@@ -50,6 +51,7 @@ private function registerLivewireComponents(): self
         Livewire::component('third-step', ThirdStepComponent::class);
         Livewire::component('fourth-step', FourthStepComponent::class);
         Livewire::component('custom-state-step', CustomStateStepComponent::class);
+        Livewire::component('mount-step', MountStepComponent::class);
 
         return $this;
     }
diff --git a/tests/TestSupport/resources/views/mount-step.blade.php b/tests/TestSupport/resources/views/mount-step.blade.php
new file mode 100644
index 0000000..50b6e73
--- /dev/null
+++ b/tests/TestSupport/resources/views/mount-step.blade.php
@@ -0,0 +1,3 @@
+<div>
+    Mount step
+</div>