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diff --git a/web/core/modules/field/tests/src/Functional/FieldDefaultValueCallbackTest.php b/web/core/modules/field/tests/src/Functional/FieldDefaultValueCallbackTest.php
new file mode 100644
index 000000000..4a70e7171
--- /dev/null
+++ b/web/core/modules/field/tests/src/Functional/FieldDefaultValueCallbackTest.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Drupal\Tests\field\Functional;
+
+use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests the default value callback.
+ *
+ * @group field
+ */
+class FieldDefaultValueCallbackTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['node', 'field_test', 'field_ui'];
+
+  /**
+   * The field name.
+   *
+   * @var string
+   */
+  private $fieldName;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    $this->fieldName = 'field_test';
+
+    // Create Article node types.
+    if ($this->profile != 'standard') {
+      $this->drupalCreateContentType([
+        'type' => 'article',
+        'name' => 'Article',
+      ]);
+    }
+
+  }
+
+  public function testDefaultValueCallbackForm() {
+    // Create a field and storage for checking.
+    /** @var \Drupal\field\Entity\FieldStorageConfig $field_storage */
+    FieldStorageConfig::create([
+      'field_name' => $this->fieldName,
+      'entity_type' => 'node',
+      'type' => 'text',
+    ])->save();
+    /** @var \Drupal\field\Entity\FieldConfig $field_config */
+    $field_config = FieldConfig::create([
+      'entity_type' => 'node',
+      'field_name' => $this->fieldName,
+      'bundle' => 'article',
+    ]);
+    $field_config->save();
+
+    $this->drupalLogin($this->rootUser);
+
+    // Check that the default field form is visible when no callback is set.
+    $this->drupalGet('/admin/structure/types/manage/article/fields/node.article.field_test');
+    $this->assertFieldByName('default_value_input[field_test][0][value]', NULL, 'The default field form is visible.');
+
+    // Set a different field value, it should be on the field.
+    $default_value = $this->randomString();
+    $field_config->setDefaultValue([['value' => $default_value]])->save();
+    $this->drupalGet('/admin/structure/types/manage/article/fields/node.article.field_test');
+    $this->assertFieldByName('default_value_input[field_test][0][value]', $default_value, 'The default field form is visible.');
+
+    // Set a different field value to the field directly, instead of an array.
+    $default_value = $this->randomString();
+    $field_config->setDefaultValue($default_value)->save();
+    $this->drupalGet('/admin/structure/types/manage/article/fields/node.article.field_test');
+    $this->assertFieldByName('default_value_input[field_test][0][value]', $default_value, 'The default field form is visible.');
+
+    // Set a default value callback instead, and the default field form should
+    // not be visible.
+    $field_config->setDefaultValueCallback('\Drupal\field_test\FieldDefaultValueCallbackProvider::calculateDefaultValue')->save();
+    $this->drupalGet('/admin/structure/types/manage/article/fields/node.article.field_test');
+    $this->assertNoFieldByName('default_value_input[field_test][0][value]', 'Calculated default value', 'The default field form is not visible when a callback is defined.');
+  }
+
+}