diff --git a/core/modules/node/lib/Drupal/node/Tests/NodeFieldMultilingualTestCase.php b/core/modules/node/lib/Drupal/node/Tests/NodeFieldMultilingualTestCase.php
index 9c3dd06..b3df341 100644
--- a/core/modules/node/lib/Drupal/node/Tests/NodeFieldMultilingualTestCase.php
+++ b/core/modules/node/lib/Drupal/node/Tests/NodeFieldMultilingualTestCase.php
@@ -20,7 +20,8 @@ class NodeFieldMultilingualTestCase extends WebTestBase {
    *
    * @var array
    */
-  public static $modules = array('node', 'language');
+  // TODO: the dependency on block module is added to get around a plugin error.
+  public static $modules = array('node', 'language', 'block');
 
   public static function getInfo() {
     return array(
diff --git a/core/modules/path/lib/Drupal/path/Tests/PathLanguageTest.php b/core/modules/path/lib/Drupal/path/Tests/PathLanguageTest.php
index e6fd10d..f516c54 100644
--- a/core/modules/path/lib/Drupal/path/Tests/PathLanguageTest.php
+++ b/core/modules/path/lib/Drupal/path/Tests/PathLanguageTest.php
@@ -17,7 +17,8 @@ class PathLanguageTest extends PathTestBase {
    *
    * @var array
    */
-  public static $modules = array('path', 'locale', 'translation');
+  // TODO: the dependency on block module is added to get around a plugin error.
+  public static $modules = array('path', 'locale', 'translation', 'block');
 
   public static function getInfo() {
     return array(
diff --git a/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php b/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
index 421870d..2f83bf6 100644
--- a/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
+++ b/core/modules/path/lib/Drupal/path/Tests/PathTaxonomyTermTest.php
@@ -17,7 +17,8 @@ class PathTaxonomyTermTest extends PathTestBase {
    *
    * @var array
    */
-  public static $modules = array('taxonomy');
+  // TODO: the dependency on block module is added to get around a plugin error.
+  public static $modules = array('taxonomy', 'block');
 
   public static function getInfo() {
     return array(