test relationmanager CreateAction

$this->actingAs($user)
        ->get(EventResource::getUrl('view', ['tenant' => $tenant->slug, 'record' => $event->id]))
        ->assertSuccessful();

    livewire(EventResource\RelationManagers\AttendeeRelationManager::class,
        [
            'ownerRecord' => $event,
            'pageClass' => EventResource\Pages\ViewEvent::class,
        ])
        ->assertSuccessful()
        ->mountAction(CreateAction::class)
        ->assertSee('Create Attendee');