Testing forms validation errors in laravel

FormTest.php

<?php

namespace Tests\Feature;

use App\Models\Model;
use Generator;
use Illuminate\Foundation\Testing\RefreshDatabase;
// use Illuminate\Support\Facades\Mail;
use Tests\TestCase;

class FormTest extend TestCase
{
    use RefreshDatabase;
    
    /**
     * @test
     * @dataProvider providesErrorCases
     */
    public function validation_errors(array $invalidData, array $errorMessages): void
    {
        // Mail::fake();
        // Other side effects setup

        $response = $this->from('/previous')
            ->post('/url', array_merge([
                'field' => 'Foo',
                'other-field' => 'Bar',
            ], $invalidData));

        $this->assertFalse(Model::query()->exists(), 'No Model should be saved to the database');

        // Mail::assertNothingQueued();
        // Mail::assertNothingSent();
        // Other side effect assertions

        $response->assertRedirect('/previous')
            ->assertSessionHasErrors($errorMessages);
    }

    public function providesErrorCases(): Generator
    {
        // If php > 7.4 : remove call to create application and use short closure to delay calls to __() function
        $this->createApplication();

        yield from [
            'field_is_required' => [
                ['field' => ''],
                ['field' => __('validation.required', ['attribute' => __('validation.attributes.field')])],
            ],
            'field_is_255_character_max' => [
                ['field' => str_repeat('a', 255 + 1)],
                ['field' => __('validation.max.string', ['attribute' => __('validation.attributes.field'), 'max' => '255'])],
            ],
        ];

        yield from [
            'other-field_is_required' => [
                ['other-field' => ''],
                ['other-field' => __('validation.required', ['attribute' => __('validation.attributes.other-field')])],
            ],
            'field_is_255_character_max' => [
                ['other-field' => str_repeat('a', 255 + 1)],
                ['other-field' => __('validation.max.string', ['attribute' => __('validation.attributes.other-field'), 'max' => '255'])],
            ],
        ];
        
        // Or even
        yield from require __DIR__.'/common-validations/thrid-field.php';
    }
}