.../EntityResource/View/ViewXmlAnonTest.php        | 26 ++++++++++++++++
 .../EntityResource/View/ViewXmlBasicAuthTest.php   | 36 ++++++++++++++++++++++
 .../EntityResource/View/ViewXmlCookieTest.php      | 31 +++++++++++++++++++
 .../Vocabulary/VocabularyXmlAnonTest.php           | 26 ++++++++++++++++
 .../Vocabulary/VocabularyXmlBasicAuthTest.php      | 36 ++++++++++++++++++++++
 .../Vocabulary/VocabularyXmlCookieTest.php         | 31 +++++++++++++++++++
 6 files changed, 186 insertions(+)

diff --git a/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlAnonTest.php b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlAnonTest.php
new file mode 100644
index 0000000..2bef328
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlAnonTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\View;
+
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class ViewXmlAnonTest extends ViewResourceTestBase {
+
+  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/View/ViewXmlBasicAuthTest.php b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlBasicAuthTest.php
new file mode 100644
index 0000000..3059b5c
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlBasicAuthTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\View;
+
+use Drupal\Tests\rest\Functional\BasicAuthResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class ViewXmlBasicAuthTest extends ViewResourceTestBase {
+
+  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/View/ViewXmlCookieTest.php b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlCookieTest.php
new file mode 100644
index 0000000..24786a3
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/View/ViewXmlCookieTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\View;
+
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class ViewXmlCookieTest extends ViewResourceTestBase {
+
+  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/Vocabulary/VocabularyXmlAnonTest.php b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlAnonTest.php
new file mode 100644
index 0000000..3e2a300
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlAnonTest.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\Vocabulary;
+
+use Drupal\Tests\rest\Functional\AnonResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class VocabularyXmlAnonTest extends VocabularyResourceTestBase {
+
+  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/Vocabulary/VocabularyXmlBasicAuthTest.php b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlBasicAuthTest.php
new file mode 100644
index 0000000..a62c5be
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlBasicAuthTest.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\Vocabulary;
+
+use Drupal\Tests\rest\Functional\BasicAuthResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class VocabularyXmlBasicAuthTest extends VocabularyResourceTestBase {
+
+  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/Vocabulary/VocabularyXmlCookieTest.php b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlCookieTest.php
new file mode 100644
index 0000000..e1cd931
--- /dev/null
+++ b/core/modules/rest/tests/src/Functional/EntityResource/Vocabulary/VocabularyXmlCookieTest.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace Drupal\Tests\rest\Functional\EntityResource\Vocabulary;
+
+use Drupal\Tests\rest\Functional\CookieResourceTestTrait;
+use Drupal\Tests\rest\Functional\EntityResource\XmlEntityNormalizationQuirksTrait;
+
+/**
+ * @group rest
+ */
+class VocabularyXmlCookieTest extends VocabularyResourceTestBase {
+
+  use CookieResourceTestTrait;
+  use XmlEntityNormalizationQuirksTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $format = 'xml';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $mimeType = 'text/xml; charset=UTF-8';
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $auth = 'cookie';
+
+}