.../FieldConfig/FieldConfigXmlAnonTest.php         | 26 ++++++++++++++++
 .../FieldConfig/FieldConfigXmlBasicAuthTest.php    | 36 ++++++++++++++++++++++
 .../FieldConfig/FieldConfigXmlCookieTest.php       | 31 +++++++++++++++++++
 .../FieldStorageConfigXmlAnonTest.php              | 26 ++++++++++++++++
 .../FieldStorageConfigXmlBasicAuthTest.php         | 36 ++++++++++++++++++++++
 .../FieldStorageConfigXmlCookieTest.php            | 31 +++++++++++++++++++
 .../FilterFormat/FilterFormatXmlAnonTest.php       | 26 ++++++++++++++++
 .../FilterFormat/FilterFormatXmlBasicAuthTest.php  | 36 ++++++++++++++++++++++
 .../FilterFormat/FilterFormatXmlCookieTest.php     | 31 +++++++++++++++++++
 9 files changed, 279 insertions(+)

diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlAnonTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlAnonTest.php
new file mode 100644
index 0000000..d775189
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlAnonTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldConfig;
+
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldConfigXmlAnonTest extends FieldConfigResourceTestBase {
+
+  use AnonResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlBasicAuthTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlBasicAuthTest.php
new file mode 100644
index 0000000..ed82264
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlBasicAuthTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldConfig;
+
+use Drupal\Tests\rest\Functional\BasicAuthResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldConfigXmlBasicAuthTest extends FieldConfigResourceTestBase {
+
+  use BasicAuthResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['basic_auth'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'basic_auth';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlCookieTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlCookieTest.php
new file mode 100644
index 0000000..4e715d0
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldConfig/FieldConfigXmlCookieTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldConfig;
+
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldConfigXmlCookieTest extends FieldConfigResourceTestBase {
+
+  use CookieResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'cookie';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlAnonTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlAnonTest.php
new file mode 100644
index 0000000..c5f3a91
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlAnonTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldStorageConfig;
+
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldStorageConfigXmlAnonTest extends FieldStorageConfigResourceTestBase {
+
+  use AnonResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlBasicAuthTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlBasicAuthTest.php
new file mode 100644
index 0000000..6f55722
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlBasicAuthTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldStorageConfig;
+
+use Drupal\Tests\rest\Functional\BasicAuthResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldStorageConfigXmlBasicAuthTest extends FieldStorageConfigResourceTestBase {
+
+  use BasicAuthResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['basic_auth'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'basic_auth';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlCookieTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlCookieTest.php
new file mode 100644
index 0000000..e629df2
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FieldStorageConfig/FieldStorageConfigXmlCookieTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FieldStorageConfig;
+
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FieldStorageConfigXmlCookieTest extends FieldStorageConfigResourceTestBase {
+
+  use CookieResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'cookie';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlAnonTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlAnonTest.php
new file mode 100644
index 0000000..8eddfa1
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlAnonTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FilterFormat;
+
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FilterFormatXmlAnonTest extends FilterFormatResourceTestBase {
+
+  use AnonResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlBasicAuthTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlBasicAuthTest.php
new file mode 100644
index 0000000..d1aa25d
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlBasicAuthTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FilterFormat;
+
+use Drupal\Tests\rest\Functional\BasicAuthResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FilterFormatXmlBasicAuthTest extends FilterFormatResourceTestBase {
+
+  use BasicAuthResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['basic_auth'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'basic_auth';
+
+}
diff --git a/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlCookieTest.php b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlCookieTest.php
new file mode 100644
index 0000000..9437b73
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/FilterFormat/FilterFormatXmlCookieTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\FilterFormat;
+
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class FilterFormatXmlCookieTest extends FilterFormatResourceTestBase {
+
+  use CookieResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'cookie';
+
+}