class UserTestBase

abstract class UserTestBase extends ViewTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'user_test_views',
        'node',
    ];
    
    /**
     * Users to use during this test.
     *
     * @var array
     */
    protected $users = [];
    
    /**
     * Nodes to use during this test.
     *
     * @var array
     */
    protected $nodes = [];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = [
        'user_test_views',
    ]) : void {
        parent::setUp($import_test_views, $modules);
        $this->users[] = $this->drupalCreateUser();
        $this->users[] = User::load(1);
        $this->nodes[] = $this->drupalCreateNode([
            'uid' => $this->users[0]
                ->id(),
        ]);
        $this->nodes[] = $this->drupalCreateNode([
            'uid' => 1,
        ]);
    }

}