Update test class namespace in getting-started documentation

Author: roxblnfk

docs/getting-started.md

@@ -57,14 +57,14 @@ In this example we defined two test suites: `Unit` for unit tests located in `te
 
 ## Writing Your First Test
 
-Create a test class in the configured test directory (e.g., `tests/CalculatorTest.php`):
+Create a test class in the configured test directory (e.g., `tests/Unit/CalculatorTest.php`):
 
 ```php
 <?php
 
 declare(strict_types=1);
 
-namespace Tests;
+namespace Tests\Unit;
 
 use Testo\Assert;
 use Testo\Assert\ExpectException;

ru/docs/getting-started.md

@@ -52,14 +52,14 @@ return new ApplicationConfig(
 
 ## Написание первого теста
 
-Создайте тестовый класс в настроенной директории (например, `tests/CalculatorTest.php`):
+Создайте тестовый класс в настроенной директории (например, `tests/Unit/CalculatorTest.php`):
 
 ```php
 <?php
 
 declare(strict_types=1);
 
-namespace Tests;
+namespace Tests\Unit;
 
 use Testo\Assert;
 use Testo\Assert\ExpectException;