Mocking tables integration test

DeleteMemberCommandTest.php

<?php
declare(strict_types=1);

namespace App\Test\TestCase\Command;

use Cake\TestSuite\ConsoleIntegrationTestTrait;
use Cake\TestSuite\TestCase;

/**
 * App\Command\DeleteMemberCommand Test Case
 *
 * @uses \App\Command\DeleteMemberCommand
 */
class DeleteMemberCommandTest extends TestCase
{
    use ConsoleIntegrationTestTrait;

    /**
     * Test execute method
     * Unsuccessfully delete member
     *
     * @return void
     */
    public function testExecuteUnsuccessfully(): void
    {
        $this->getMockForModel('Members', ['delete'])->method('delete')->willReturn(false);
        $this->exec('deleteMember', ['1']);
        $this->assertOutputContains('Could not delete member');
    }
}

SlangControllerTest.php

<?php
declare(strict_types=1);

namespace App\Test\TestCase\Controller\Admin;

use App\Test\TestCase\Controller\Traits\AuthTestTrait;
use Cake\TestSuite\IntegrationTestTrait;
use Cake\TestSuite\TestCase;

/**
 * App\Controller\Admin\slangController Test Case
 */
class SlangControllerTest extends TestCase
{
    use IntegrationTestTrait;
  
    /**
     * Test delete method
     * Failure saving
     *
     * @return void
     * @throws \Throwable
     */
    public function testDeleteFailure()
    {
        $model = $this->getMockForModel('Slang', ['delete']);
        $model->expects($this->once())
            ->method('delete')
            ->will($this->returnValue(false));
        $this->delete(['controller' => 'slang', 'action' => 'delete', 1, 'prefix' => 'Admin']);
        $this->assertFlashMessage(__('The slang could not be deleted. Please, try again.'));
    }
}