Clear db during testing

config/params.php

@@ -130,6 +130,7 @@
             'user/create' => App\User\Console\CreateCommand::class,
             'user/assignRole' => App\User\Console\AssignRoleCommand::class,
             'fixture/add' => App\Command\Fixture\AddCommand::class,
+            'fixture/schema/clear' => App\Command\Fixture\SchemaClearCommand::class,
             'router/list' => App\Command\Router\ListCommand::class,
             'translator/translate' => App\Command\Translation\TranslateCommand::class,
         ],

src/Command/Fixture/SchemaClearCommand.php

@@ -0,0 +1,102 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Command\Fixture;
+
+use App\Blog\Entity\PostTag;
+use App\Blog\Entity\Tag;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Yiisoft\Yii\Console\ExitCode;
+use Yiisoft\Yii\Cycle\Command\CycleDependencyProxy;
+use App\Blog\Entity\Comment;
+use App\Blog\Entity\Post;
+use App\User\User;
+
+
+final class SchemaClearCommand extends Command
+{
+    protected static $defaultName = 'fixture/schema/clear';
+
+    private CycleDependencyProxy $promise;
+
+
+    public function __construct(
+        CycleDependencyProxy $promise,
+    ) {
+        $this->promise = $promise;
+        parent::__construct();
+    }
+
+    public function configure(): void
+    {
+        $this
+            ->setDescription('Clear database from fixtures')
+            ->setHelp('This command delete all tables');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $this->promise
+            ->getDatabaseProvider()
+            ->database()
+            ->delete('post')
+            ->run();
+
+        $this->promise
+            ->getDatabaseProvider()
+            ->database()
+            ->delete('post_tag')
+            ->run();
+
+        $this->promise
+            ->getDatabaseProvider()
+            ->database()
+            ->delete('tag')
+            ->run();
+
+        $this->promise
+            ->getDatabaseProvider()
+            ->database()
+            ->delete('user')
+            ->run();
+
+        $this->promise
+            ->getDatabaseProvider()
+            ->database()
+            ->delete('comment')
+            ->run();
+
+        return 0 === $this->promise
+                ->getORM()
+                ->getRepository(Post::class)
+                ->select()
+                ->count() +
+            $this->promise
+                ->getORM()
+                ->getRepository(PostTag::class)
+                ->select()
+                ->count() +
+            $this->promise
+                ->getORM()
+                ->getRepository(Tag::class)
+                ->select()
+                ->count() +
+            $this->promise
+                ->getORM()
+                ->getRepository(User::class)
+                ->select()
+                ->count() +
+            $this->promise
+                ->getORM()
+                ->getRepository(Comment::class)
+                ->select()
+                ->count()
+            ? ExitCode::OK
+            : ExitCode::UNSPECIFIED_ERROR;
+
+    }
+
+}

tests/Cli/ConsoleCest.php

@@ -29,4 +29,18 @@ public function testCommandListCommand(CliTester $I): void
         $I->runShellCommand($command . ' list');
         $I->seeResultCodeIs(ExitCode::OK);
     }
+
+    /**
+     * Clear all data created with testCommandFixtureAdd().
+     * Clearing database prevents from getting errors during multiple continuous testing with other test,
+     * what are based on empty database (eg, BlogPageCest)
+     *
+     * @param \App\Tests\CliTester $I
+     */
+    public function testCommandCycleSchemaClear(CliTester $I): void
+    {
+        $command = dirname(__DIR__, 2) . '/yii';
+        $I->runShellCommand($command . ' fixture/schema/clear');
+        $I->seeResultCodeIs(0);
+    }
 }