diff --git a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
index 7eb76fd..f1867cd 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/TestBase.php
@@ -196,6 +196,30 @@ public function __construct($test_id = NULL) {
   }
 
   /**
+   * Provides meta information about this test case, such as test name.
+   *
+   * @return array
+   *   An array of untranslated strings with the following keys:
+   *   - name: An overview of what is tested by the class; for example, "User
+   *     access rules".
+   *   - description: One sentence describing the test, starting with a verb.
+   *   - group: The human-readable name of the module ("Node", "Statistics"), or
+   *     the human-readable name of the Drupal facility tested (e.g. "Form API"
+   *     or "XML-RPC").
+   */
+  public static function getInfo() {
+    // PHP does not allow us to declare this method as abstract public static,
+    // so we simply throw an exception here if this has not been implemented by
+    // a child class.
+    throw new \RuntimeException("Sub-class must implement the getInfo method!");
+  }
+
+  /**
+   * Performs setup tasks before each individual test method is run.
+   */
+  abstract protected function setUp();
+
+  /**
    * Checks the matching requirements for Test.
    *
    * @return
@@ -1015,6 +1039,8 @@ protected function rebuildContainer() {
   }
 
   /**
+   * Performs cleanup tasks after each individual test method has been run.
+   *
    * Deletes created files, database tables, and reverts environment changes.
    *
    * This method needs to be invoked for both unit and integration tests.
diff --git a/core/modules/simpletest/simpletest.module b/core/modules/simpletest/simpletest.module
index d04012e..6edfc99 100644
--- a/core/modules/simpletest/simpletest.module
+++ b/core/modules/simpletest/simpletest.module
@@ -480,8 +480,14 @@ function simpletest_test_get_all() {
       foreach ($classes as $class) {
         // Test classes need to implement getInfo() to be valid.
         if (class_exists($class) && method_exists($class, 'getInfo')) {
-          $info = call_user_func(array($class, 'getInfo'));
-
+          $reflectionClass = new ReflectionClass($class);
+          // Skip abstract classes.
+          if ($reflectionClass->isAbstract()) {
+            continue;
+          }
+          else {
+            $info = call_user_func(array($class, 'getInfo'));
+          }
           // If this test class requires a non-existing module, skip it.
           if (!empty($info['dependencies'])) {
             foreach ($info['dependencies'] as $module) {
diff --git a/core/tests/Drupal/Tests/UnitTestCase.php b/core/tests/Drupal/Tests/UnitTestCase.php
index 9c36603..8185960 100644
--- a/core/tests/Drupal/Tests/UnitTestCase.php
+++ b/core/tests/Drupal/Tests/UnitTestCase.php
@@ -22,22 +22,21 @@
   protected $randomGenerator;
 
   /**
-   * This method exists to support the simpletest UI runner.
-   *
-   * It should eventually be replaced with something native to phpunit.
-   *
-   * Also, this method is empty because you can't have an abstract static
-   * method. Sub-classes should always override it.
+   * Provides meta information about this test case, such as test name.
    *
    * @return array
-   *   An array describing the test like so:
-   *   array(
-   *     'name' => 'Something Test',
-   *     'description' => 'Tests Something',
-   *     'group' => 'Something',
-   *   )
+   *   An array of untranslated strings with the following keys:
+   *   - name: An overview of what is tested by the class; for example, "User
+   *     access rules".
+   *   - description: One sentence describing the test, starting with a verb.
+   *   - group: The human-readable name of the module ("Node", "Statistics"), or
+   *     the human-readable name of the Drupal facility tested (e.g. "Form API"
+   *     or "XML-RPC").
    */
   public static function getInfo() {
+    // PHP does not allow us to declare this method as abstract public static,
+    // so we simply throw an exception here if this has not been implemented by
+    // a child class.
     throw new \RuntimeException("Sub-class must implement the getInfo method!");
   }