diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
index 51fe0a5..f5d0850 100644
--- a/classes/privacy/provider.php
+++ b/classes/privacy/provider.php
@@ -21,6 +21,7 @@
  * @copyright  2019 Université de Montréal
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
+
 namespace tool_cohortsync\privacy;
 
 /**
diff --git a/db/access.php b/db/access.php
index a625fca..1de9d26 100644
--- a/db/access.php
+++ b/db/access.php
@@ -22,4 +22,3 @@
  * @author     Issam Taboubi <issam.taboubi@umontreal.ca>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-
diff --git a/tests/cohortmembersync_test.php b/tests/cohortmembersync_test.php
index 423938d..55f58c8 100644
--- a/tests/cohortmembersync_test.php
+++ b/tests/cohortmembersync_test.php
@@ -22,8 +22,11 @@
  * @author    Issam Taboubi <issam.taboubi@umontreal.ca>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
+
 namespace tool_cohortsync;
 
+use tool_cohortsync\cohortmembersync;
+
 defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
@@ -37,37 +40,38 @@
  * @copyright 2016 Université de Montréal
  * @author    Issam Taboubi <issam.taboubi@umontreal.ca>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \tool_cohortsync\cohortmembersync
  */
 class cohortmembersync_test extends \advanced_testcase {
 
-    /** @var progress_trace trace */
+    /** @var \progress_trace trace */
     protected $trace = null;
 
-    /** @var coursecat created */
+    /** @var \coursecat created */
     protected $cat1 = null;
 
-    /** @var coursecat created */
+    /** @var \coursecat created */
     protected $cat2 = null;
 
-    /** @var context of category 1 */
+    /** @var \context of category 1 */
     protected $contextcat1 = null;
 
-    /** @var context of category 2 */
+    /** @var \context of category 2 */
     protected $contextcat2 = null;
 
-    /** @var cohort created */
+    /** @var \cohort created */
     protected $cohort1 = null;
 
-    /** @var cohort created */
+    /** @var \cohort created */
     protected $cohort2 = null;
 
-    /** @var user created */
+    /** @var \user created */
     protected $user1 = null;
 
-    /** @var user created */
+    /** @var \user created */
     protected $user2 = null;
 
-    /** @var user created */
+    /** @var \user created */
     protected $user3 = null;
 
     /**
diff --git a/tests/cohortsync_test.php b/tests/cohortsync_test.php
index 5c2abe5..edd1b71 100644
--- a/tests/cohortsync_test.php
+++ b/tests/cohortsync_test.php
@@ -22,8 +22,11 @@
  * @author    Issam Taboubi <issam.taboubi@umontreal.ca>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
+
 namespace tool_cohortsync;
 
+use tool_cohortsync\cohortsync;
+
 defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
@@ -37,10 +40,11 @@
  * @copyright 2016 Université de Montréal
  * @author    Issam Taboubi <issam.taboubi@umontreal.ca>
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @covers \tool_cohortsync\cohortsync
  */
 class cohortsync_test extends \advanced_testcase {
 
-    /** @var progress_trace trace */
+    /** @var \progress_trace trace */
     protected $trace = null;
 
     /** @var array common columns in header */