diff --git a/core/modules/book/tests/src/Kernel/Migrate/d7/MigrateBookTest.php b/core/modules/book/tests/src/Kernel/Migrate/d7/MigrateBookTest.php
index 96d3ba6280..c8e4576508 100644
--- a/core/modules/book/tests/src/Kernel/Migrate/d7/MigrateBookTest.php
+++ b/core/modules/book/tests/src/Kernel/Migrate/d7/MigrateBookTest.php
@@ -17,6 +17,7 @@ class MigrateBookTest extends MigrateDrupal7TestBase {
    */
   public static $modules = [
     'book',
+    'filter',
     'menu_ui',
     'node',
     'text',
diff --git a/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php b/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
index cfede1e386..0c5a8af1e9 100644
--- a/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
+++ b/core/modules/field/tests/src/Kernel/FieldImportDeleteTest.php
@@ -23,7 +23,7 @@ class FieldImportDeleteTest extends FieldKernelTestBase {
    *
    * @var array
    */
-  public static $modules = ['field_test_config'];
+  public static $modules = ['field_test_config', 'filter'];
 
   /**
    * Tests deleting field storages and fields as part of config import.
diff --git a/core/modules/jsonapi/tests/src/Kernel/Query/FilterTest.php b/core/modules/jsonapi/tests/src/Kernel/Query/FilterTest.php
index 3c1e3820b1..9cdee00543 100644
--- a/core/modules/jsonapi/tests/src/Kernel/Query/FilterTest.php
+++ b/core/modules/jsonapi/tests/src/Kernel/Query/FilterTest.php
@@ -31,6 +31,7 @@ class FilterTest extends JsonapiKernelTestBase {
   public static $modules = [
     'field',
     'file',
+    'filter',
     'image',
     'jsonapi',
     'node',
diff --git a/core/modules/menu_link_content/tests/src/Kernel/Migrate/d7/MigrateMenuLinkTest.php b/core/modules/menu_link_content/tests/src/Kernel/Migrate/d7/MigrateMenuLinkTest.php
index eebe427612..68a2e4f2dd 100644
--- a/core/modules/menu_link_content/tests/src/Kernel/Migrate/d7/MigrateMenuLinkTest.php
+++ b/core/modules/menu_link_content/tests/src/Kernel/Migrate/d7/MigrateMenuLinkTest.php
@@ -23,6 +23,7 @@ class MigrateMenuLinkTest extends MigrateDrupal7TestBase {
    */
   public static $modules = [
     'content_translation',
+    'filter',
     'language',
     'link',
     'menu_ui',
diff --git a/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php b/core/modules/migrate/tests/src/Kernel/MigrateBundleTest.php
index b6c3051330..35f76a9d0e 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', 'user'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php b/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
index de1666be63..b807c001f6 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', 'user'];
 
   /**
    * {@inheritdoc}
diff --git a/core/modules/migrate/tests/src/Kernel/TrackChangesTest.php b/core/modules/migrate/tests/src/Kernel/TrackChangesTest.php
index 6e4bb1a988..e5ac01c87c 100644
--- a/core/modules/migrate/tests/src/Kernel/TrackChangesTest.php
+++ b/core/modules/migrate/tests/src/Kernel/TrackChangesTest.php
@@ -19,6 +19,7 @@ class TrackChangesTest extends MigrateTestBase {
     'migrate',
     'migrate_track_changes_test',
     'text',
+    'filter',
   ];
 
   /**
diff --git a/core/modules/migrate_drupal/tests/src/Kernel/d7/FollowUpMigrationsTest.php b/core/modules/migrate_drupal/tests/src/Kernel/d7/FollowUpMigrationsTest.php
index b99f40393d..0b8aaec022 100644
--- a/core/modules/migrate_drupal/tests/src/Kernel/d7/FollowUpMigrationsTest.php
+++ b/core/modules/migrate_drupal/tests/src/Kernel/d7/FollowUpMigrationsTest.php
@@ -21,6 +21,7 @@ class FollowUpMigrationsTest extends MigrateDrupal7TestBase {
     'content_translation',
     'comment',
     'datetime',
+    'filter',
     'image',
     'language',
     'link',
diff --git a/core/modules/node/tests/src/Kernel/Migrate/d7/MigrateNodeTest.php b/core/modules/node/tests/src/Kernel/Migrate/d7/MigrateNodeTest.php
index 7caeb72427..b3edff0a3f 100644
--- a/core/modules/node/tests/src/Kernel/Migrate/d7/MigrateNodeTest.php
+++ b/core/modules/node/tests/src/Kernel/Migrate/d7/MigrateNodeTest.php
@@ -24,6 +24,7 @@ class MigrateNodeTest extends MigrateDrupal7TestBase {
     'content_translation',
     'comment',
     'datetime',
+    'filter',
     'image',
     'language',
     'link',
diff --git a/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php b/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php
index 7b54d5b169..0df4282406 100644
--- a/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php
+++ b/core/modules/node/tests/src/Kernel/Migrate/d7/NodeTranslationRedirectTest.php
@@ -21,6 +21,7 @@ class NodeTranslationRedirectTest extends MigrateDrupal7TestBase {
    */
   public static $modules = [
     'content_translation',
+    'filter',
     'language',
     'menu_ui',
     // Required for translation migrations.
diff --git a/core/modules/path/tests/src/Kernel/Migrate/d7/MigrateUrlAliasTest.php b/core/modules/path/tests/src/Kernel/Migrate/d7/MigrateUrlAliasTest.php
index e0607b96d2..ada8868083 100644
--- a/core/modules/path/tests/src/Kernel/Migrate/d7/MigrateUrlAliasTest.php
+++ b/core/modules/path/tests/src/Kernel/Migrate/d7/MigrateUrlAliasTest.php
@@ -16,6 +16,7 @@ class MigrateUrlAliasTest extends MigrateDrupal7TestBase {
    */
   public static $modules = [
     'content_translation',
+    'filter',
     'language',
     'menu_ui',
     // Required for translation migrations.
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/statistics/tests/src/Kernel/Migrate/d7/MigrateNodeCounterTest.php b/core/modules/statistics/tests/src/Kernel/Migrate/d7/MigrateNodeCounterTest.php
index d36224825b..67f964483a 100644
--- a/core/modules/statistics/tests/src/Kernel/Migrate/d7/MigrateNodeCounterTest.php
+++ b/core/modules/statistics/tests/src/Kernel/Migrate/d7/MigrateNodeCounterTest.php
@@ -16,6 +16,7 @@ class MigrateNodeCounterTest extends MigrateDrupal7TestBase {
    */
   public static $modules = [
     'content_translation',
+    'filter',
     'language',
     'menu_ui',
     // Required for translation migrations.
diff --git a/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php b/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
index aefaec23aa..ad1ff853f4 100644
--- a/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
+++ b/core/modules/system/tests/src/Functional/Entity/EntityReferenceSelection/EntityReferenceSelectionAccessTest.php
@@ -35,7 +35,19 @@ class EntityReferenceSelectionAccessTest extends KernelTestBase {
    *
    * @var array
    */
-  public static $modules = ['comment', 'field', 'file', 'image', 'node', 'media', 'system', 'taxonomy', 'text', 'user'];
+  public static $modules = [
+    'comment',
+    'field',
+    'file',
+    'filter',
+    'image',
+    'node',
+    'media',
+    'system',
+    'taxonomy',
+    'text',
+    'user'
+  ];
 
   /**
    * {@inheritdoc}
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/MigrateNodeTaxonomyTest.php b/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateNodeTaxonomyTest.php
index c3f81fdb47..f9e3e1e9b7 100644
--- a/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateNodeTaxonomyTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Migrate/d7/MigrateNodeTaxonomyTest.php
@@ -14,6 +14,7 @@ class MigrateNodeTaxonomyTest extends MigrateDrupal7TestBase {
   public static $modules = [
     'comment',
     'datetime',
+    'filter',
     'image',
     'link',
     'menu_ui',
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/TermEntityReferenceTest.php b/core/modules/taxonomy/tests/src/Kernel/TermEntityReferenceTest.php
index acc44c32fd..12f3c0e74a 100644
--- a/core/modules/taxonomy/tests/src/Kernel/TermEntityReferenceTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/TermEntityReferenceTest.php
@@ -21,6 +21,7 @@ class TermEntityReferenceTest extends KernelTestBase {
   public static $modules = [
     'entity_test',
     'field',
+    'filter',
     'system',
     'taxonomy',
     'text',
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..ffe56f6c3d 100644
--- a/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
+++ b/core/modules/tracker/tests/src/Kernel/Migrate/d7/MigrateTrackerNodeTest.php
@@ -16,6 +16,7 @@ class MigrateTrackerNodeTest extends MigrateDrupal7TestBase {
    * {@inheritdoc}
    */
   public static $modules = [
+    'filter',
     'menu_ui',
     'node',
     'text',
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}