diff --git a/tests/phpunit/includes/class-basic-object.php b/tests/phpunit/includes/class-basic-object.php
index d4345f42a5..a85a9f6596 100644
--- a/tests/phpunit/includes/class-basic-object.php
+++ b/tests/phpunit/includes/class-basic-object.php
@@ -1,5 +1,17 @@
 <?php
+/**
+ * Unit Tests: Basic_Object cloass
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.7.0
+ */
 
+/**
+ * Class used to test accessing methods and properties
+ *
+ * @since 4.0.0
+ */
 class Basic_Object {
 	private $foo = 'bar';
 
diff --git a/tests/phpunit/includes/class-basic-subclass.php b/tests/phpunit/includes/class-basic-subclass.php
index 842d9c8a9a..deb922d681 100644
--- a/tests/phpunit/includes/class-basic-subclass.php
+++ b/tests/phpunit/includes/class-basic-subclass.php
@@ -1,3 +1,15 @@
 <?php
+/**
+ * Unit Tests: Basic_Subclass class
+ *
+ * @package WordPress
+ * @subpackage UnitTests
+ * @since 4.7.0
+ */
 
+/**
+ * Class used to test accessing methods and properties.
+ *
+ * @since 4.0.0
+ */
 class Basic_Subclass extends Basic_Object {}