diff -u b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
--- b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
+++ b/core/modules/text/src/Plugin/Field/FieldType/TextItemBase.php
@@ -34,7 +34,7 @@
       '#options' => $this->get('format')->getPossibleOptions(),
       '#default_value' => $settings['allowed_formats'],
       '#description' => $this->t('Select the allowed text formats. If no formats are selected, all available text formats will be displayed to the user.'),
-      '#element_validate' => [[static::class, 'validateAllowedFormats']]
+      '#element_validate' => [[static::class, 'validateAllowedFormats']],
     ];
 
     return $element;
diff -u b/core/modules/text/tests/src/Functional/TextFieldTest.php b/core/modules/text/tests/src/Functional/TextFieldTest.php
--- b/core/modules/text/tests/src/Functional/TextFieldTest.php
+++ b/core/modules/text/tests/src/Functional/TextFieldTest.php
@@ -161,18 +161,21 @@
     // Create one text format.
     $this->drupalLogin($this->adminUser);
     $edit = [
-      'format' => Unicode::strtolower($this->randomMachineName()),
+      'format' => mb_strtolower($this->randomMachineName()),
       'name' => $this->randomMachineName(),
     ];
     $this->drupalPostForm('admin/config/content/formats/add', $edit, t('Save configuration'));
     filter_formats_reset();
-    $filter_format_storage = \Drupal::entityTypeManager()->getStorage('filter_format');
+    /** @var \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager */
+    $entity_type_manager = $this->container->get('entity_type.manager');
+    $filter_format_storage = $entity_type_manager
+      ->getStorage('filter_format');
     /** @var \Drupal\filter\Entity\FilterFormat $format1 */
     $format1 = $filter_format_storage->load($edit['format']);
 
     // Create a second text format.
     $edit = [
-      'format' => Unicode::strtolower($this->randomMachineName()),
+      'format' => mb_strtolower($this->randomMachineName()),
       'name' => $this->randomMachineName(),
     ];
     $this->drupalPostForm('admin/config/content/formats/add', $edit, t('Save configuration'));
@@ -189,26 +192,29 @@
     ]);
 
     // Create a field with multiple formats allowed.
-    $field_name = Unicode::strtolower($this->randomMachineName());
-    $field_storage = entity_create('field_storage_config', [
+    $field_name = mb_strtolower($this->randomMachineName());
+    $field_storage = FieldStorageConfig::create([
       'field_name' => $field_name,
       'entity_type' => 'entity_test',
       'type' => 'text',
     ]);
     $field_storage->save();
-    $field = entity_create('field_config', [
+    $field = FieldConfig::create([
       'field_storage' => $field_storage,
       'bundle' => 'entity_test',
       'label' => $this->randomMachineName() . '_label',
       'settings' => ['allowed_formats' => [$format1->id(), $format2->id()]],
     ]);
     $field->save();
-    entity_get_form_display('entity_test', 'entity_test', 'default')
+
+    /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository */
+    $entity_display_repository = $this->container->get('entity_display.repository');
+    $entity_display_repository->getFormDisplay('entity_test', 'entity_test', 'default')
       ->setComponent($field_name, [
         'type' => 'text_textfield',
       ])
       ->save();
-    entity_get_display('entity_test', 'entity_test', 'full')
+    $entity_display_repository->getViewDisplay('entity_test', 'entity_test', 'full')
       ->setComponent($field_name)
       ->save();
 
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import.yml
@@ -8,7 +8,8 @@ description: ''
 required: false
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.entity_test.field_test_import_2.yml
@@ -8,7 +8,8 @@ description: ''
 required: false
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/config/install/field.field.entity_test.test_bundle.field_test_import_2.yml
@@ -8,7 +8,8 @@ description: ''
 required: false
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.entity_test.field_test_import_sync.yml
+++ b/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.entity_test.field_test_import_sync.yml
@@ -9,7 +9,8 @@ description: ''
 required: '0'
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.test_bundle.field_test_import_sync_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.test_bundle.field_test_import_sync_2.yml
@@ -9,7 +9,8 @@ description: ''
 required: '0'
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.test_bundle_2.field_test_import_sync_2.yml
+++ b/core/modules/field/tests/modules/field_test_config/sync/field.field.entity_test.test_bundle_2.field_test_import_sync_2.yml
@@ -9,7 +9,8 @@ description: ''
 required: '0'
 default_value: {  }
 default_value_callback: ''
-settings: { }
+settings:
+  allowed_formats: {  }
 field_type: text
 dependencies:
   config:
only in patch2:
unchanged:
--- a/core/modules/jsonapi/tests/src/Functional/FieldConfigTest.php
+++ b/core/modules/jsonapi/tests/src/Functional/FieldConfigTest.php
@@ -119,7 +119,7 @@ protected function getExpectedDocument() {
           'label' => 'field_llama',
           'langcode' => 'en',
           'required' => FALSE,
-          'settings' => [],
+          'settings' => ['allowed_formats' => []],
           'status' => TRUE,
           'translatable' => TRUE,
           'drupal_internal__id' => 'node.camelids.field_llama',
only in patch2:
unchanged:
--- a/core/profiles/demo_umami/config/install/field.field.block_content.disclaimer_block.field_disclaimer.yml
+++ b/core/profiles/demo_umami/config/install/field.field.block_content.disclaimer_block.field_disclaimer.yml
@@ -16,5 +16,6 @@ required: false
 translatable: true
 default_value: {  }
 default_value_callback: ''
-settings: {  }
+settings:
+  allowed_formats: {  }
 field_type: text_long
only in patch2:
unchanged:
--- a/core/profiles/demo_umami/config/install/field.field.node.article.body.yml
+++ b/core/profiles/demo_umami/config/install/field.field.node.article.body.yml
@@ -19,4 +19,5 @@ default_value_callback: ''
 settings:
   display_summary: true
   required_summary: false
+  allowed_formats: {  }
 field_type: text_with_summary
only in patch2:
unchanged:
--- a/core/profiles/demo_umami/config/install/field.field.node.page.body.yml
+++ b/core/profiles/demo_umami/config/install/field.field.node.page.body.yml
@@ -19,4 +19,5 @@ default_value_callback: ''
 settings:
   display_summary: true
   required_summary: false
+  allowed_formats: {  }
 field_type: text_with_summary
only in patch2:
unchanged:
--- a/core/profiles/demo_umami/config/install/field.field.node.recipe.field_recipe_instruction.yml
+++ b/core/profiles/demo_umami/config/install/field.field.node.recipe.field_recipe_instruction.yml
@@ -16,5 +16,6 @@ required: true
 translatable: true
 default_value: {  }
 default_value_callback: ''
-settings: {  }
+settings:
+  allowed_formats: {  }
 field_type: text_long
only in patch2:
unchanged:
--- a/core/profiles/demo_umami/config/install/field.field.node.recipe.field_summary.yml
+++ b/core/profiles/demo_umami/config/install/field.field.node.recipe.field_summary.yml
@@ -16,5 +16,6 @@ required: true
 translatable: true
 default_value: {  }
 default_value_callback: ''
-settings: {  }
+settings:
+  allowed_formats: {  }
 field_type: text_long