diff --git a/app/test.bootstrap.php b/app/test.bootstrap.php
index 5e31ebc..6be992a 100644
--- a/app/test.bootstrap.php
+++ b/app/test.bootstrap.php
@@ -150,6 +150,7 @@ class TestBootstrap
 spl_autoload_register(function($className) {
     $baseTestPath = __DIR__ . "/tests";
     $namespaceMap = [
+        "ProVM\\Tests\\Extension\\" => "{$baseTestPath}/extension",
         "ProVM\\Integration\\" => "{$baseTestPath}/integration",
         "ProVM\\Unit\\" => "{$baseTestPath}/unit/src",
         "ProVM\\Performance\\" => "{$baseTestPath}/performance",
diff --git a/app/tests/integration/AbstractIntegration.php b/app/tests/extension/AbstractIntegration.php
similarity index 90%
rename from app/tests/integration/AbstractIntegration.php
rename to app/tests/extension/AbstractIntegration.php
index b33a4c6..cab4e9f 100644
--- a/app/tests/integration/AbstractIntegration.php
+++ b/app/tests/extension/AbstractIntegration.php
@@ -1,9 +1,9 @@
 <?php
-namespace ProVM\Integration;
+namespace ProVM\Tests\Extension;
 
-use Psr\Http\Client\ClientInterface;
 use GuzzleHttp\Client;
 use PHPUnit\Framework\TestCase;
+use Psr\Http\Client\ClientInterface;
 
 abstract class AbstractIntegration extends TestCase
 {
diff --git a/app/tests/extension/AbstractModel.php b/app/tests/extension/AbstractModel.php
new file mode 100644
index 0000000..201156a
--- /dev/null
+++ b/app/tests/extension/AbstractModel.php
@@ -0,0 +1,10 @@
+<?php
+namespace ProVM\Tests\Extension;
+
+use PHPUnit\Framework\TestCase;
+use Incoviba\Common\Define\Model;
+
+abstract class AbstractModel extends TestCase
+{
+    protected Model $model;
+}
\ No newline at end of file
diff --git a/app/tests/performance/AbstractPerformance.php b/app/tests/extension/AbstractPerformance.php
similarity index 90%
rename from app/tests/performance/AbstractPerformance.php
rename to app/tests/extension/AbstractPerformance.php
index 937575e..0091021 100644
--- a/app/tests/performance/AbstractPerformance.php
+++ b/app/tests/extension/AbstractPerformance.php
@@ -1,5 +1,5 @@
 <?php
-namespace ProVM\Performance;
+namespace ProVM\Tests\Extension;
 
 use PHPUnit\Framework\TestCase;
 
diff --git a/app/tests/unit/src/ObjectHasMethodTrait.php b/app/tests/extension/ObjectHasMethodTrait.php
similarity index 89%
rename from app/tests/unit/src/ObjectHasMethodTrait.php
rename to app/tests/extension/ObjectHasMethodTrait.php
index d7f38e5..1e60fde 100644
--- a/app/tests/unit/src/ObjectHasMethodTrait.php
+++ b/app/tests/extension/ObjectHasMethodTrait.php
@@ -1,5 +1,5 @@
 <?php
-namespace ProVM\Unit;
+namespace ProVM\Tests\Extension;
 
 trait ObjectHasMethodTrait
 {
diff --git a/app/tests/extension/testMethodsTrait.php b/app/tests/extension/testMethodsTrait.php
new file mode 100644
index 0000000..dbf8684
--- /dev/null
+++ b/app/tests/extension/testMethodsTrait.php
@@ -0,0 +1,18 @@
+<?php
+namespace ProVM\Tests\Extension;
+
+trait testMethodsTrait
+{
+    use ObjectHasMethodTrait;
+
+    public function testMethods(): void
+    {
+        $object = $this->model;
+
+        foreach ($this->methods as $method) {
+            $this->assertObjectHasMethod($method, $object);
+        }
+    }
+
+    protected array $methods = [];
+}
\ No newline at end of file
diff --git a/app/tests/extension/testPropertiesTrait.php b/app/tests/extension/testPropertiesTrait.php
new file mode 100644
index 0000000..adfb367
--- /dev/null
+++ b/app/tests/extension/testPropertiesTrait.php
@@ -0,0 +1,24 @@
+<?php
+namespace ProVM\Tests\Extension;
+
+use Incoviba\Common\Define\Model;
+
+trait testPropertiesTrait
+{
+    use ObjectHasMethodTrait;
+
+    public function testProperties(): void
+    {
+        $model = $this->model;
+
+        $this->assertProperties($model);
+    }
+
+    protected array $properties = [];
+    protected function assertProperties(Model $model): void
+    {
+        foreach ($this->properties as $key) {
+            $this->assertObjectHasProperty($key, $model);
+        }
+    }
+}
\ No newline at end of file