diff --git a/src/engine/Api/V1/Pagination.php b/src/engine/Api/V1/Pagination.php
new file mode 100644
index 00000000..3f1e0a3a
--- /dev/null
+++ b/src/engine/Api/V1/Pagination.php
@@ -0,0 +1,18 @@
+<?php 
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.2.0
+ * ---------------------------------------------------------------------------- */
+
+namespace \EA\Engine\Api\V1; 
+
+class Pagination {
+    
+}
diff --git a/test/php/engine/Api/V1/FilterTest.php b/test/php/engine/Api/V1/FilterTest.php
index e69de29b..a5b0b963 100644
--- a/test/php/engine/Api/V1/FilterTest.php
+++ b/test/php/engine/Api/V1/FilterTest.php
@@ -0,0 +1,20 @@
+<?php 
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.2.0
+ * ---------------------------------------------------------------------------- */
+ 
+namespace EA\Engine\Api\V1;
+
+class FilterTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
+}
diff --git a/test/php/engine/Api/V1/MinimizeTest.php b/test/php/engine/Api/V1/MinimizeTest.php
index 7878b5b4..356bea3b 100644
--- a/test/php/engine/Api/V1/MinimizeTest.php
+++ b/test/php/engine/Api/V1/MinimizeTest.php
@@ -11,10 +11,10 @@
  * @since       v1.2.0
  * ---------------------------------------------------------------------------- */
  
-namespace \EA\Engine\Api\V1;
+namespace EA\Engine\Api\V1;
 
-use PHPUnit\Framework\TestCase;
-
-class AuthorizationTest extends \TestCase {
-    
+class MinimizeTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
 }
diff --git a/test/php/engine/Api/V1/PaginationTest.php b/test/php/engine/Api/V1/PaginationTest.php
new file mode 100644
index 00000000..369d61cd
--- /dev/null
+++ b/test/php/engine/Api/V1/PaginationTest.php
@@ -0,0 +1,20 @@
+<?php 
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.2.0
+ * ---------------------------------------------------------------------------- */
+ 
+namespace EA\Engine\Api\V1;
+
+class PaginationTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
+}
diff --git a/test/php/engine/Api/V1/ResponseTest.php b/test/php/engine/Api/V1/ResponseTest.php
index 5a85ea3e..9f993226 100644
--- a/test/php/engine/Api/V1/ResponseTest.php
+++ b/test/php/engine/Api/V1/ResponseTest.php
@@ -11,10 +11,10 @@
  * @since       v1.2.0
  * ---------------------------------------------------------------------------- */
  
-namespace \EA\Engine\Api\V1;
+namespace EA\Engine\Api\V1;
 
-use PHPUnit\Framework\TestCase;
-
-class ResponseTest extends TestCase {
-    
+class ResponseTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
 }
diff --git a/test/php/engine/Api/V1/SearchTest.php b/test/php/engine/Api/V1/SearchTest.php
index 7878b5b4..5f9ea272 100644
--- a/test/php/engine/Api/V1/SearchTest.php
+++ b/test/php/engine/Api/V1/SearchTest.php
@@ -11,10 +11,10 @@
  * @since       v1.2.0
  * ---------------------------------------------------------------------------- */
  
-namespace \EA\Engine\Api\V1;
+namespace EA\Engine\Api\V1;
 
-use PHPUnit\Framework\TestCase;
-
-class AuthorizationTest extends \TestCase {
-    
+class SearchTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
 }
diff --git a/test/php/engine/Api/V1/SortTest.php b/test/php/engine/Api/V1/SortTest.php
index e69de29b..c025bd99 100644
--- a/test/php/engine/Api/V1/SortTest.php
+++ b/test/php/engine/Api/V1/SortTest.php
@@ -0,0 +1,20 @@
+<?php 
+
+/* ----------------------------------------------------------------------------
+ * Easy!Appointments - Open Source Web Scheduler
+ *
+ * @package     EasyAppointments
+ * @author      A.Tselegidis <alextselegidis@gmail.com>
+ * @copyright   Copyright (c) 2013 - 2016, Alex Tselegidis
+ * @license     http://opensource.org/licenses/GPL-3.0 - GPLv3
+ * @link        http://easyappointments.org
+ * @since       v1.2.0
+ * ---------------------------------------------------------------------------- */
+ 
+namespace EA\Engine\Api\V1;
+
+class SortTest extends \PHPUnit_Framework_TestCase {
+    public function test() {
+        $this->markTestIncomplete();
+    }
+}