diff --git a/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php b/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php
index b6c3051330..1aaba4bd07 100644
--- a/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php
+++ b/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php
@@ -18,7 +18,7 @@ class MigrateBundleTest extends MigrateTestBase {
    *
    * @var array
    */
-  public static $modules = ['taxonomy', 'text', 'user'];
+  public static $modules = ['filter', 'taxonomy', 'text'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php b/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
index de1666be63..886c86dc97 100644
--- a/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
+++ b/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
@@ -20,7 +20,7 @@ class MigrateRollbackTest extends MigrateTestBase {
    *
    * @var array
    */
-  public static $modules = ['field', 'taxonomy', 'text', 'user'];
+  public static $modules = ['field', 'filter', 'taxonomy', 'text'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/search/tests/src/Functional/SearchPageCacheTagsTest.php b/core/modules/search/tests/src/Functional/SearchPageCacheTagsTest.php
index 2b36a33c4f..fbee603aad 100644
--- a/core/modules/search/tests/src/Functional/SearchPageCacheTagsTest.php
+++ b/core/modules/search/tests/src/Functional/SearchPageCacheTagsTest.php
@@ -181,6 +181,7 @@ public function testSearchTagsBubbling() {
 
     // Default search cache tags.
     $default_search_tags = [
+      'config:filter.format.plain_text',
       'config:search.page.node_search',
       'search_index',
       'search_index:node_search',
diff --git a/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php b/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php
index 2da51e4a43..649dcb6ae4 100644
--- a/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php
@@ -20,7 +20,12 @@ class MigrateTaxonomyTermStubTest extends MigrateDrupalTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['taxonomy', 'text', 'taxonomy_term_stub_test'];
+  public static $modules = [
+    'filter',
+    'taxonomy',
+    'text',
+    'taxonomy_term_stub_test',
+  ];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateTaxonomyTermTest.php b/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateTaxonomyTermTest.php
index b8b0169bbd..94e5d35765 100644
--- a/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateTaxonomyTermTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateTaxonomyTermTest.php
@@ -17,6 +17,7 @@ class MigrateTaxonomyTermTest extends MigrateDrupal7TestBase {
     'comment',
     'content_translation',
     'datetime',
+    'filter',
     'image',
     'language',
     'link',
diff --git a/core/modules/taxonomy/tests/src/Kernel/PendingRevisionTest.php b/core/modules/taxonomy/tests/src/Kernel/PendingRevisionTest.php
index e4b2cc051c..9436edd00a 100644
--- a/core/modules/taxonomy/tests/src/Kernel/PendingRevisionTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/PendingRevisionTest.php
@@ -20,7 +20,7 @@ class PendingRevisionTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['taxonomy', 'node', 'user', 'text', 'field', 'system'];
+  public static $modules = ['taxonomy', 'node', 'user', 'text', 'field', 'filter', 'system'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/taxonomy/tests/src/Kernel/Views/TaxonomyViewsFieldAccessTest.php b/core/modules/taxonomy/tests/src/Kernel/Views/TaxonomyViewsFieldAccessTest.php
index e62232befd..6608278a11 100644
--- a/core/modules/taxonomy/tests/src/Kernel/Views/TaxonomyViewsFieldAccessTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Views/TaxonomyViewsFieldAccessTest.php
@@ -16,7 +16,7 @@ class TaxonomyViewsFieldAccessTest extends FieldFieldAccessTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['taxonomy', 'text', 'entity_test'];
+  public static $modules = ['filter', 'taxonomy', 'text', 'entity_test'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
index e70fadacb1..1de5597a98 100644
--- a/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
+++ b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
@@ -49,7 +49,9 @@ public function applyDefaultValue($notify = TRUE) {
    */
   public function isEmpty() {
     $value = $this->get('value')->getValue();
-    return $value === NULL || $value === '';
+    $format = $this->get('format')->getValue();
+
+    return ($value === NULL || $value === '') && ($format === NULL || $format === '');
   }
 
   /**
diff --git a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
index 3d762a959b..c2f34b905c 100644
--- a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
+++ b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
@@ -16,7 +16,7 @@ class MigrateTrackerNodeTest extends MigrateDrupal7TestBase {
    * {@inheritdoc}
    */
   public static $modules = [
-    'menu_ui',
+    'filter',
     'node',
     'text',
     'tracker',
diff --git a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerUserTest.php b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerUserTest.php
index 8d1f80e832..8c5d58d414 100644
--- a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerUserTest.php
+++ b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerUserTest.php
@@ -16,7 +16,7 @@ class MigrateTrackerUserTest extends MigrateDrupal7TestBase {
    * {@inheritdoc}
    */
   public static $modules = [
-    'menu_ui',
+    'filter',
     'node',
     'text',
     'tracker',
diff --git a/core/tests/Drupal/KernelTests/Core/Theme/TwigWhiteListTest.php b/core/tests/Drupal/KernelTests/Core/Theme/TwigWhiteListTest.php
index 6721e5cb0b..d2fd464d17 100644
--- a/core/tests/Drupal/KernelTests/Core/Theme/TwigWhiteListTest.php
+++ b/core/tests/Drupal/KernelTests/Core/Theme/TwigWhiteListTest.php
@@ -35,7 +35,16 @@ class TwigWhiteListTest extends KernelTestBase {
   /**
    * {@inheritdoc}
    */
-  public static $modules = ['node', 'taxonomy', 'user', 'system', 'text', 'field', 'entity_reference'];
+  public static $modules = [
+    'filter',
+    'node',
+    'taxonomy',
+    'user',
+    'system',
+    'text',
+    'field',
+    'entity_reference',
+  ];
 
   /**
    * {@inheritdoc}