diff -u b/core/tests/Drupal/Tests/Component/Utility/RandomTest.php b/core/tests/Drupal/Tests/Component/Utility/RandomTest.php
--- b/core/tests/Drupal/Tests/Component/Utility/RandomTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/RandomTest.php
@@ -27,7 +27,9 @@
   }
 
   /**
-   * Tests Random::string().
+   * Tests unique random name generation.
+   *
+   * @see \Drupal\Component\Utility\Random::name()
    */
   function testRandomStringUniqueness() {
     $strings = array();
@@ -39,7 +41,9 @@
   }
 
   /**
-   * Tests Random::string().
+   * Tests unique random string generation.
+   *
+   * @see \Drupal\Component\Utility\Random::string()
    */
   function testRandomNamesUniqueness() {
     $names = array();
@@ -51,7 +55,9 @@
   }
 
   /**
-   * Tests infinite loop prevention in Random::name().
+   * Tests infinite loop prevention whilst generating random names.
+   *
+   * @see \Drupal\Component\Utility\Random::name()
    *
    * @expectedException RuntimeException
    */
@@ -65,7 +71,9 @@
   }
 
   /**
-   * Tests infinite loop prevention in Random::string().
+   * Tests infinite loop prevention whilst generating random strings.
+   *
+   * @see \Drupal\Component\Utility\Random::string()
    *
    * @expectedException RuntimeException
    */
@@ -79,7 +87,9 @@
   }
 
   /**
-   * Tests Random::name() if uniqueness is not enforced.
+   * Tests random name generation if uniqueness is not enforced.
+   *
+   * @see \Drupal\Component\Utility\Random::name()
    */
   public function testRandomNameNonUnique() {
     // There are fewer than 100 possibilities if we were forcing uniqueness so
@@ -91,7 +101,9 @@
   }
 
   /**
-   * Tests Random::string() if uniqueness is not enforced.
+   * Tests random string if uniqueness is not enforced.
+   *
+   * @see \Drupal\Component\Utility\Random::string()
    */
   public function testRandomStringNonUnique() {
     // There are fewer than 100 possibilities if we were forcing uniqueness so
@@ -103,11 +115,13 @@
   }
 
   /**
-   * Tests Random::object() to ensure it has the expected number of properties.
+   * Tests random object generation to ensure the expected number of properties.
+   *
+   * @see \Drupal\Component\Utility\Random::object()
    */
   public function testRandomObject() {
-    // For values of 0 and 1 Random::object() will have different execution
-    // paths.
+    // For values of 0 and 1 \Drupal\Component\Utility\Random::object() will
+    // have different execution paths.
     for ($i = 0; $i <= 1; $i++) {
       $obj = Random::object($i);
       $this->assertEquals($i, count(get_object_vars($obj)), 'Generated random object has expected number of properties');