diff --git a/tests/phpunit/classes/AccessTest.class.php b/tests/phpunit/classes/AccessTest.class.php
index 2090d3952b..fd181f9108 100644
--- a/tests/phpunit/classes/AccessTest.class.php
+++ b/tests/phpunit/classes/AccessTest.class.php
@@ -4,7 +4,7 @@
  */
 // exiting because generates fatal error:
 // Fatal error: Cannot instantiate abstract class Access in /var/lib/jenkins/jobs/chamilo-lms-1.9/workspace/tests/phpunit/classes/AccessTest.class.php on line 18
-exit;
+//exit;
 class AccessTest extends PHPUnit_Framework_TestCase
 {
     /**
@@ -18,6 +18,7 @@ class AccessTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        require_once dirname(__FILE__).'/../../../main/inc/global.inc.php';
         $this->object = new Access;
     }
 
diff --git a/tests/phpunit/classes/AccessTokenTest.class.php b/tests/phpunit/classes/AccessTokenTest.class.php
index eedac06d9c..88ba66142f 100644
--- a/tests/phpunit/classes/AccessTokenTest.class.php
+++ b/tests/phpunit/classes/AccessTokenTest.class.php
@@ -15,6 +15,7 @@ class AccessTokenTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        require_once dirname(__FILE__).'/../../../main/inc/global.inc.php';
         $this->object = new AccessToken;
     }
 
diff --git a/tests/phpunit/classes/AccessurleditcoursestourlTest.lib.php b/tests/phpunit/classes/AccessurleditcoursestourlTest.lib.php
index 77132b0ee0..857cc4ae59 100644
--- a/tests/phpunit/classes/AccessurleditcoursestourlTest.lib.php
+++ b/tests/phpunit/classes/AccessurleditcoursestourlTest.lib.php
@@ -15,6 +15,9 @@ class AccessurleditcoursestourlTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        ob_start();
+        require_once dirname(__FILE__).'/../../../main/inc/lib/access_url_edit_courses_to_url_functions.lib.php';
+        require_once dirname(__FILE__).'/../../../main/inc/lib/main_api.lib.php';
         $this->object = new Accessurleditcoursestourl;
     }
 
@@ -24,6 +27,7 @@ class AccessurleditcoursestourlTest extends PHPUnit_Framework_TestCase
      */
     protected function tearDown()
     {
+        ob_end_clean();
     }
 
     /**
@@ -33,9 +37,11 @@ class AccessurleditcoursestourlTest extends PHPUnit_Framework_TestCase
      */
     public function testSearch_courses()
     {
-        $this->assertSame(
+        $this->assertThat(
           false,
-          $this->object->search_courses()
+          $this->logicalNot(
+            $this->equalTo($this->object->search_courses(null, null))
+          )
         );
     }
 }
diff --git a/tests/phpunit/classes/AccessurleditsessionstourlTest.lib.php b/tests/phpunit/classes/AccessurleditsessionstourlTest.lib.php
index 9e27393b32..fe3649e7e3 100644
--- a/tests/phpunit/classes/AccessurleditsessionstourlTest.lib.php
+++ b/tests/phpunit/classes/AccessurleditsessionstourlTest.lib.php
@@ -15,6 +15,9 @@ class AccessurleditsessionstourlTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        ob_start();
+        require_once dirname(__FILE__).'/../../../main/inc/lib/access_url_edit_sessions_to_url_functions.lib.php';
+        require_once dirname(__FILE__).'/../../../main/inc/lib/main_api.lib.php';
         $this->object = new Accessurleditsessionstourl;
     }
 
@@ -24,6 +27,7 @@ class AccessurleditsessionstourlTest extends PHPUnit_Framework_TestCase
      */
     protected function tearDown()
     {
+        ob_end_clean();
     }
 
     /**
@@ -33,9 +37,11 @@ class AccessurleditsessionstourlTest extends PHPUnit_Framework_TestCase
      */
     public function testSearch_sessions()
     {
+        ob_start();
         $this->assertSame(
           false,
-          $this->object->search_sessions()
+          $this->object->search_sessions(null,null)
         );
+        ob_end_clean();
     }
 }
diff --git a/tests/phpunit/classes/AccessurledituserstourlTest.lib.php b/tests/phpunit/classes/AccessurledituserstourlTest.lib.php
index f6d7c59914..ba5372dd68 100644
--- a/tests/phpunit/classes/AccessurledituserstourlTest.lib.php
+++ b/tests/phpunit/classes/AccessurledituserstourlTest.lib.php
@@ -15,6 +15,9 @@ class AccessurledituserstourlTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        ob_start();
+        require_once dirname(__FILE__).'/../../../main/inc/lib/access_url_edit_users_to_url_functions.lib.php';
+        require_once dirname(__FILE__).'/../../../main/inc/lib/main_api.lib.php';
         $this->object = new Accessurledituserstourl;
     }
 
@@ -24,6 +27,7 @@ class AccessurledituserstourlTest extends PHPUnit_Framework_TestCase
      */
     protected function tearDown()
     {
+        ob_end_clean();
     }
 
     /**
@@ -33,9 +37,11 @@ class AccessurledituserstourlTest extends PHPUnit_Framework_TestCase
      */
     public function testSearch_users()
     {
-        $this->assertSame(
+        $this->assertThat(
           false,
-          $this->object->search_users()
+          $this->logicalNot(
+            $this->equalTo($this->object->search_users(null, null))
+          )
         );
     }
 }
diff --git a/tests/phpunit/classes/AddCourseToSessionTest.lib.php b/tests/phpunit/classes/AddCourseToSessionTest.lib.php
index b4feedab28..3e1fcf46a0 100644
--- a/tests/phpunit/classes/AddCourseToSessionTest.lib.php
+++ b/tests/phpunit/classes/AddCourseToSessionTest.lib.php
@@ -15,6 +15,7 @@ class AddCourseToSessionTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        require_once dirname(__FILE__).'/../../../main/inc/global.inc.php';
         $this->object = new AddCourseToSession;
     }
 
diff --git a/tests/phpunit/classes/AddManySessionToCategoryFunctionsTest.lib.php b/tests/phpunit/classes/AddManySessionToCategoryFunctionsTest.lib.php
index 6be6eca1a8..b925b73ae6 100644
--- a/tests/phpunit/classes/AddManySessionToCategoryFunctionsTest.lib.php
+++ b/tests/phpunit/classes/AddManySessionToCategoryFunctionsTest.lib.php
@@ -15,6 +15,7 @@ class AddManySessionToCategoryFunctionsTest extends PHPUnit_Framework_TestCase
      */
     protected function setUp()
     {
+        require_once dirname(__FILE__).'/../../../main/inc/global.inc.php';
         $this->object = new AddManySessionToCategoryFunctions;
     }