Fix declarion 2

src/Test/Helpers/FieldsetTest.php

@@ -22,7 +22,7 @@ class FieldsetTest extends TestCase
     protected $objectFactory;
     protected $secureRenderer;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $factoryMock = $this->createMock(\Magento\Framework\Data\Form\Element\Factory::class);

src/Test/Unit/Block/Frontend/DaemonCollectorTest.php

@@ -11,7 +11,7 @@ class DaemonCollectorTest extends TestCase
 
     const SITE_KEY = 'RC-XXXXXXX-X';
 
-    public function setUp(): void
+    public function setUp()
     {
         $context = $this->createMock(\Magento\Framework\View\Element\Template\Context::class);
         $customerSession = $this->createMock(\Magento\Customer\Model\Session::class);

src/Test/Unit/Model/Observer/CustomerTest.php

@@ -16,7 +16,7 @@ class CustomerTest extends TestCase
     private $helper;
     private $mockServiceCustomer;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockApi = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Proxy::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Observer/OrderCreateTest.php

@@ -25,7 +25,7 @@ class OrderCreateTest extends TestCase
     private $mockServiceCustomer;
     private $mockCustomer;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockApi = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Proxy::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Observer/OrderUpdateTest.php

@@ -16,7 +16,7 @@ class OrderUpdateTest extends TestCase
     private $mockPayment;
     private $registry;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockApi = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Proxy::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Service/CustomerTest.php

@@ -12,7 +12,7 @@ class CustomerTest extends TestCase
     private $mockOrder;
     private $mockBillingAddress;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockData = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Data::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Service/IntegrationModuleTest.php

@@ -13,7 +13,7 @@ class IntegrationModuleTest extends TestCase
 
     const ACCOUNT_URL = 'test';
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockData = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Data::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Service/InventoriesUploadTest.php

@@ -11,7 +11,7 @@ class InventoriesUploadTest extends TestCase
     private $mockResponse;
     private $mockProduct;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockApi = $this->getMockBuilder(\Retailcrm\Retailcrm\Helper\Proxy::class)
             ->disableOriginalConstructor()

src/Test/Unit/Model/Service/OrderTest.php

@@ -13,7 +13,7 @@ class OrderTest extends TestCase
     private $mockOrder;
     private $unit;
 
-    public function setUp(): void
+    public function setUp()
     {
         $this->mockProductRepository = $this->getMockBuilder(\Magento\Catalog\Model\ProductRepository::class)
             ->disableOriginalConstructor()