diff --git a/phpunit.xml b/phpunit.xml
index 7219ee8..913cbff 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -18,5 +18,8 @@
     </source>
     <php>
         <env name="KERNEL_CLASS" value="Luzrain\PhpRunnerBundle\Test\App\Kernel" />
+        <env name="APP_RUNTIME" value="Luzrain\PhpRunnerBundle\Runtime" />
+        <env name="APP_ENV" value="test" />
+        <env name="SHELL_VERBOSITY" value="1" />
     </php>
 </phpunit>
diff --git a/tests/App/Kernel.php b/tests/App/Kernel.php
index ec43650..0455c9a 100644
--- a/tests/App/Kernel.php
+++ b/tests/App/Kernel.php
@@ -48,9 +48,25 @@ public function registerContainerConfiguration(LoaderInterface $loader): void
                         'processes' => 1,
                     ],
                 ],
+                'tasks' => [
+                    [
+                        'command' => 'app:test_task',
+                        'schedule' => '1 second',
+                    ],
+                ],
+                'processes' => [
+                    [
+                        'command' => 'app:test_process',
+                    ],
+                ],
             ]);
 
+            $container->setParameter('task_status_file', '%kernel.project_dir%/var/task_status.log');
+            $container->setParameter('process_status_file', '%kernel.project_dir%/var/process_status.log');
+
             $container->autowire(RequestTestController::class)->setAutoconfigured(true);
+            $container->autowire(TestTask::class)->setAutoconfigured(true);
+            $container->autowire(TestProcess::class)->setAutoconfigured(true);
         });
     }
 
diff --git a/tests/App/TestProcess.php b/tests/App/TestProcess.php
index a87c0b0..ebe88d8 100644
--- a/tests/App/TestProcess.php
+++ b/tests/App/TestProcess.php
@@ -4,21 +4,30 @@
 
 namespace Luzrain\PhpRunnerBundle\Test\App;
 
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 
-//#[AsProcess(name: 'Test process')]
-final class TestProcess
+#[AsCommand(
+    name: 'app:test_process',
+    description: 'test process',
+)]
+final class TestProcess extends Command
 {
     public function __construct(
-        #[Autowire(value: '%kernel.project_dir%/var/process_status.log')]
+        #[Autowire(param: 'process_status_file')]
         private string $statusFile,
     ) {
+        parent::__construct();
     }
 
-    public function __invoke(): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         \file_put_contents($this->statusFile, \time());
-        \sleep(1);
-        exit;
+        \sleep(300);
+
+        return Command::SUCCESS;
     }
 }
diff --git a/tests/App/TestTask.php b/tests/App/TestTask.php
index e5fbf1e..462a905 100644
--- a/tests/App/TestTask.php
+++ b/tests/App/TestTask.php
@@ -4,19 +4,29 @@
 
 namespace Luzrain\PhpRunnerBundle\Test\App;
 
+use Symfony\Component\Console\Attribute\AsCommand;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\DependencyInjection\Attribute\Autowire;
 
-//#[AsTask(name: 'Test task', schedule: '1 second')]
-final class TestTask
+#[AsCommand(
+    name: 'app:test_task',
+    description: 'test task',
+)]
+final class TestTask extends Command
 {
     public function __construct(
-        #[Autowire(value: '%kernel.project_dir%/var/task_status.log')]
+        #[Autowire(param: 'task_status_file')]
         private string $statusFile,
     ) {
+        parent::__construct();
     }
 
-    public function __invoke(): void
+    protected function execute(InputInterface $input, OutputInterface $output): int
     {
         \file_put_contents($this->statusFile, \time());
+
+        return Command::SUCCESS;
     }
 }
diff --git a/tests/App/bootstrap.php b/tests/App/bootstrap.php
index b4cc039..bb74b0b 100644
--- a/tests/App/bootstrap.php
+++ b/tests/App/bootstrap.php
@@ -6,6 +6,11 @@
 
 \startServer();
 \register_shutdown_function(stopServer(...));
+\register_shutdown_function(static function () {
+    if (\is_dir($dir = \realpath(__DIR__ . '/../../var/cache/test'))) {
+        \exec("rm -rf $dir");
+    }
+});
 
 function startServer(): void
 {
diff --git a/tests/App/index.php b/tests/App/index.php
index 6eda6c0..9070171 100644
--- a/tests/App/index.php
+++ b/tests/App/index.php
@@ -6,9 +6,6 @@
 
 require_once \dirname(__DIR__, 2) . '/vendor/autoload_runtime.php';
 
-$_SERVER['APP_RUNTIME'] = 'Luzrain\PhpRunnerBundle\Runtime';
-$_SERVER['SHELL_VERBOSITY'] = -1;
-
 return function (array $context) {
     return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
 };
diff --git a/tests/ProcessTest.php b/tests/ProcessTest.php
new file mode 100644
index 0000000..36a4cc7
--- /dev/null
+++ b/tests/ProcessTest.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Luzrain\PhpRunnerBundle\Test;
+
+use Revolt\EventLoop\Driver\StreamSelectDriver;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+final class ProcessTest extends KernelTestCase
+{
+    protected function tearDown(): void
+    {
+        if (\is_file($file = $this->getContainer()->getParameter('process_status_file'))) {
+            \unlink($file);
+        }
+    }
+
+    public function testProcessIsLive(): void
+    {
+        $content = $this->getProcessStatusFileContent() ?? $this->fail('Process status file is not found');
+
+        $this->assertTrue((int) $content > \time() - 4, 'Process started more than 4 seconds ago');
+    }
+
+    private function getProcessStatusFileContent(): string|null
+    {
+        $file = $this->getContainer()->getParameter('process_status_file');
+        $eventLoop = new StreamSelectDriver();
+        $suspension = $eventLoop->getSuspension();
+        $eventLoop->delay(3, fn() => $suspension->resume());
+        $eventLoop->repeat(0.5, function () use ($file, $suspension) {
+            if ((\file_exists($file) && $content = @\file_get_contents($file))) {
+                $suspension->resume($content);
+            }
+        });
+
+        return $suspension->suspend();
+    }
+}
diff --git a/tests/TaskTest.php b/tests/TaskTest.php
new file mode 100644
index 0000000..6144d5d
--- /dev/null
+++ b/tests/TaskTest.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Luzrain\PhpRunnerBundle\Test;
+
+use Revolt\EventLoop\Driver\StreamSelectDriver;
+use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
+
+final class TaskTest extends KernelTestCase
+{
+    protected function tearDown(): void
+    {
+        if (\is_file($file = $this->getContainer()->getParameter('task_status_file'))) {
+            \unlink($file);
+        }
+    }
+
+    public function testTaskIsRunning(): void
+    {
+        $content = $this->getTaskStatusFileContent() ?? $this->fail('Task status file is not found');
+
+        $this->assertTrue((int) $content > \time() - 4, 'Task was called more than 4 seconds ago');
+    }
+
+    private function getTaskStatusFileContent(): string|null
+    {
+        $file = $this->getContainer()->getParameter('task_status_file');
+        $eventLoop = new StreamSelectDriver();
+        $suspension = $eventLoop->getSuspension();
+        $eventLoop->delay(3, fn() => $suspension->resume());
+        $eventLoop->repeat(0.5, function () use ($file, $suspension) {
+            if ((\file_exists($file) && $content = @\file_get_contents($file))) {
+                $suspension->resume($content);
+            }
+        });
+
+        return $suspension->suspend();
+    }
+}