diff --git a/app/tests/integration/AbstractIntegration.php b/app/tests/integration/AbstractIntegration.php
new file mode 100644
index 0000000..b33a4c6
--- /dev/null
+++ b/app/tests/integration/AbstractIntegration.php
@@ -0,0 +1,15 @@
+<?php
+namespace ProVM\Integration;
+
+use Psr\Http\Client\ClientInterface;
+use GuzzleHttp\Client;
+use PHPUnit\Framework\TestCase;
+
+abstract class AbstractIntegration extends TestCase
+{
+    protected ClientInterface $client;
+    protected function setUp(): void
+    {
+        $this->client = new Client(['base_uri' => $_ENV['APP_URL']]);
+    }
+}
\ No newline at end of file
diff --git a/app/tests/integration/HomeTest.php b/app/tests/integration/HomeTest.php
index fc5a6fd..946f0ce 100644
--- a/app/tests/integration/HomeTest.php
+++ b/app/tests/integration/HomeTest.php
@@ -1,17 +1,10 @@
 <?php
 namespace ProVM\Integration;
 
-use PHPUnit\Framework\TestCase;
-use GuzzleHttp\Client;
+require __DIR__ . '/AbstractIntegration.php';
 
-class HomeTest extends TestCase
+class HomeTest extends AbstractIntegration
 {
-    protected Client $client;
-    protected function setUp(): void
-    {
-        $this->client = new Client(['base_uri' => $_ENV['APP_URL']]);
-    }
-
     public function testLoad(): void
     {
         $response = $this->client->get('/');
diff --git a/app/tests/performance/AbstractPerformance.php b/app/tests/performance/AbstractPerformance.php
new file mode 100644
index 0000000..937575e
--- /dev/null
+++ b/app/tests/performance/AbstractPerformance.php
@@ -0,0 +1,17 @@
+<?php
+namespace ProVM\Performance;
+
+use PHPUnit\Framework\TestCase;
+
+abstract class AbstractPerformance extends TestCase
+{
+    protected float $startTime;
+    protected function start(): void
+    {
+        $this->startTime = microtime(true);
+    }
+    protected function end(): float
+    {
+        return microtime(true) - $this->startTime;
+    }
+}
\ No newline at end of file
diff --git a/app/tests/performance/HomeTest.php b/app/tests/performance/HomeTest.php
index 820c2a7..92b699f 100644
--- a/app/tests/performance/HomeTest.php
+++ b/app/tests/performance/HomeTest.php
@@ -1,10 +1,11 @@
 <?php
 namespace ProVM\Performance;
 
-use PHPUnit\Framework;
 use GuzzleHttp\Client;
 
-class HomeTest extends Framework\TestCase
+require __DIR__ . '/AbstractPerformance.php';
+
+class HomeTest extends AbstractPerformance
 {
     protected Client $client;
     protected function setUp(): void
@@ -14,9 +15,9 @@ class HomeTest extends Framework\TestCase
 
     public function testLoad(): void
     {
-        $start = microtime(true);
+        $this->start();
         $this->client->get('/');
-        $end = microtime(true);
-        $this->assertLessThanOrEqual(1000, $end - $start);
+        $time = $this->end();
+        $this->assertLessThanOrEqual(1000, $time);
     }
 }