diff --git a/core/lib/Drupal/Core/Datetime/DateFormatter.php b/core/lib/Drupal/Core/Datetime/DateFormatter.php
index 0d1017cd951e9ff1e89dd9b200653937fe0fac81..4bee3ac331a9ed610742e0dee574a520df43e77f 100644
--- a/core/lib/Drupal/Core/Datetime/DateFormatter.php
+++ b/core/lib/Drupal/Core/Datetime/DateFormatter.php
@@ -174,6 +174,7 @@ public function formatInterval($interval, $granularity = 2, $langcode = NULL) {
   public function getSampleDateFormats($langcode = NULL, $timestamp = NULL, $timezone = NULL) {
     $timestamp = $timestamp ?: time();
     // All date format characters for the PHP date() function.
+    // cspell:disable-next-line
     $date_chars = str_split('dDjlNSwzWFmMntLoYyaABgGhHisueIOPTZcrU');
     $date_elements = array_combine($date_chars, $date_chars);
     return array_map(function ($character) use ($timestamp, $timezone, $langcode) {
diff --git a/core/misc/cspell/dictionary.txt b/core/misc/cspell/dictionary.txt
index b39295925c8b6051a7c672349fe642e33c1d8232..b168461eba538e821f17fe4906b238be5896a70c 100644
--- a/core/misc/cspell/dictionary.txt
+++ b/core/misc/cspell/dictionary.txt
@@ -9,7 +9,6 @@ adminforms
 afterclose
 aftercreate
 ahah
-aiufyfh
 ajaxcallback
 ajaxing
 allwords
@@ -165,7 +164,6 @@ cidhash
 cids
 cillum
 circlesmall
-cjds
 ckeditor
 classloader
 classmap
@@ -254,7 +252,6 @@ denormalizer
 denormalizers
 denormalizes
 denormalizing
-depcn
 dependee
 dependee's
 dependees
@@ -352,7 +349,6 @@ evenodd
 eventhandler
 exampleurl
 exitcode
-exoshbm
 expirable
 extlink
 extraday
@@ -441,8 +437,6 @@ hexcode
 hilited
 hinode
 hippopotamidae
-hisu
-hisue
 hmac
 hoglet
 hola
@@ -479,7 +473,6 @@ introspectable
 invalidators
 invalididentifier
 invokable
-iopt
 isam
 isinstallable
 itoa
@@ -488,7 +481,6 @@ ized
 jamo
 javascripts
 jessebeach
-jnoub
 johansson
 johndoe
 jqueryui
@@ -706,7 +698,6 @@ overrider
 overrider's
 overriders
 owasp
-oypa
 pagecache
 pagetop
 pagina
@@ -719,7 +710,6 @@ pathauto
 pathnames
 pcre
 pcss
-pdma
 peast
 percona
 permissionless
@@ -808,7 +798,6 @@ qvalue
 qvalues
 qwer
 qwerqwer
-qzzz
 ragdoll
 ralouphie
 rasterizable
@@ -882,7 +871,6 @@ scorewords
 scriptable
 scrollbars
 sebastianbergmann
-sebe
 seld
 selectbox
 sess
@@ -987,10 +975,8 @@ sunz
 sunzzzzzzz
 supercede
 svgz
-sxto
 synchronizable
 syrop
-szwr
 tabbingmanager
 tabledrag
 tableheader
@@ -1211,7 +1197,6 @@ webservers
 webtest
 whitespaces
 widthx
-wmet
 wmlscript
 wordprocessingml
 wordsafe
@@ -1221,7 +1206,6 @@ wwwrun
 xbap
 xbitmap
 xfbml
-xjkm
 xmlhttp
 xmlhttprequest
 xoxo
@@ -1229,7 +1213,6 @@ xpsdocument
 xsiemax
 xtmpl
 xxgroup
-xyabz
 yamls
 yarhar
 yarr
@@ -1239,8 +1222,6 @@ yottabyte
 yottabytes
 yourmodule
 yowser
-yqpr
-yuqk
 yygroup
 zartan
 zettabyte
@@ -1251,7 +1232,6 @@ zoneinfo
 zoomin
 zoomout
 zwei
-zwjhek
 zxvf
 zzgroup
 åwesome
diff --git a/core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php b/core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php
index 44ffc8ccc3bda9ab9fbec8043d0b3ca297baaec6..50c6070abd1a586e7128639df0140b86d4a4deb6 100644
--- a/core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php
+++ b/core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php
@@ -3,8 +3,8 @@
 /**
  * @file
  */
-// cSpell:ignore Vxezb
-// cSpell:ignore divpiggydiv
+
+// cspell:ignore divpiggydiv
 
 namespace Drupal\big_pipe_test;
 
@@ -50,6 +50,7 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
     // 1. Real-world example of HTML placeholder.
     $status_messages = new BigPipePlaceholderTestCase(
       ['#type' => 'status_messages'],
+      // cspell:disable-next-line
       '<drupal-render-placeholder callback="Drupal\Core\Render\Element\StatusMessages::renderMessages" arguments="0" token="_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></drupal-render-placeholder>',
       [
         '#lazy_builder' => [
@@ -58,8 +59,10 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
         ],
       ]
     );
+    // cspell:disable-next-line
     $status_messages->bigPipePlaceholderId = 'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA';
     $status_messages->bigPipePlaceholderRenderArray = [
+      // cspell:disable-next-line
       '#prefix' => '<span data-big-pipe-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA">',
       'interface_preview' => [
         '#theme' => 'big_pipe_interface_preview',
@@ -72,20 +75,25 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
         'library' => ['big_pipe/big_pipe'],
         'drupalSettings' => [
           'bigPipePlaceholderIds' => [
+            // cspell:disable-next-line
             'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&args%5B0%5D&token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA' => TRUE,
           ],
         ],
         'big_pipe_placeholders' => [
+          // cspell:disable-next-line
           'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA' => $status_messages->placeholderRenderArray,
         ],
       ],
     ];
+    // cspell:disable-next-line
     $status_messages->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>';
     $status_messages->bigPipeNoJsPlaceholderRenderArray = [
+      // cspell:disable-next-line
       '#markup' => '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>',
       '#cache' => $cacheability_depends_on_session_and_nojs_cookie,
       '#attached' => [
         'big_pipe_nojs_placeholders' => [
+          // cspell:disable-next-line
           '<span data-big-pipe-nojs-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></span>' => $status_messages->placeholderRenderArray,
         ],
       ],
@@ -95,6 +103,7 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
         [
           'command' => 'insert',
           'method' => 'replaceWith',
+          // cspell:disable-next-line
           'selector' => '[data-big-pipe-placeholder-id="callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&args%5B0%5D&token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"]',
           'data' => '<div data-drupal-messages>' . "\n" . ' <div role="contentinfo" aria-label="Status message">' . "\n" . ' <h2 class="visually-hidden">Status message</h2>' . "\n" . ' Hello from BigPipe!' . "\n" . ' </div>' . "\n" . '</div>' . "\n",
           'settings' => NULL,
@@ -312,11 +321,13 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
         '#lazy_builder' => ['\Drupal\big_pipe_test\BigPipeTestController::exception', ['llamas', 'suck']],
         '#create_placeholder' => TRUE,
       ],
+      // cspell:disable-next-line
       '<drupal-render-placeholder callback="\Drupal\big_pipe_test\BigPipeTestController::exception" arguments="0=llamas&amp;1=suck" token="uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU"></drupal-render-placeholder>',
       [
         '#lazy_builder' => ['\Drupal\big_pipe_test\BigPipeTestController::exception', ['llamas', 'suck']],
       ]
     );
+    // cspell:disable-next-line
     $exception->bigPipePlaceholderId = 'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU';
     $exception->bigPipePlaceholderRenderArray = [
       '#prefix' => '<span data-big-pipe-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU">',
@@ -331,15 +342,18 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
         'library' => ['big_pipe/big_pipe'],
         'drupalSettings' => [
           'bigPipePlaceholderIds' => [
+            // cspell:disable-next-line
             'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&args%5B0%5D=llamas&args%5B1%5D=suck&token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU' => TRUE,
           ],
         ],
         'big_pipe_placeholders' => [
+          // cspell:disable-next-line
           'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU' => $exception->placeholderRenderArray,
         ],
       ],
     ];
     $exception->embeddedAjaxResponseCommands = NULL;
+    // cspell:disable-next-line
     $exception->bigPipeNoJsPlaceholder = '<span data-big-pipe-nojs-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3Aexception&amp;args%5B0%5D=llamas&amp;args%5B1%5D=suck&amp;token=uhKFNfT4eF449_W-kDQX8E5z4yHyt0-nSHUlwaGAQeU"></span>';
     $exception->bigPipeNoJsPlaceholderRenderArray = [
       '#markup' => $exception->bigPipeNoJsPlaceholder,
@@ -367,6 +381,7 @@ public static function cases(ContainerInterface $container = NULL, AccountInterf
     );
     $embedded_response_exception->bigPipePlaceholderId = 'callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=' . $token;
     $embedded_response_exception->bigPipePlaceholderRenderArray = [
+      // cspell:disable-next-line
       '#prefix' => '<span data-big-pipe-placeholder-id="callback=%5CDrupal%5Cbig_pipe_test%5CBigPipeTestController%3A%3AresponseException&amp;&amp;token=PxOHfS_QL-T01NjBgu7Z7I04tIwMp6La5vM-mVxezbU">',
       'interface_preview' => [
         '#theme' => 'big_pipe_interface_preview',
diff --git a/core/modules/big_pipe/tests/src/Functional/BigPipeTest.php b/core/modules/big_pipe/tests/src/Functional/BigPipeTest.php
index 2a31e7bcedcf4d03e0414e90dcd6ac0aaa2a8fb4..0a5899ba9194748309421d8ab975a1c7c836434a 100644
--- a/core/modules/big_pipe/tests/src/Functional/BigPipeTest.php
+++ b/core/modules/big_pipe/tests/src/Functional/BigPipeTest.php
@@ -306,6 +306,7 @@ public function testBigPipeMultiOccurrencePlaceholders() {
     // @see performMetaRefresh()
 
     $this->drupalGet(Url::fromRoute('big_pipe_test_multi_occurrence'));
+    // cspell:disable-next-line
     $big_pipe_placeholder_id = 'callback=Drupal%5CCore%5CRender%5CElement%5CStatusMessages%3A%3ArenderMessages&amp;args%5B0%5D&amp;token=_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA';
     $expected_placeholder_replacement = '<script type="application/vnd.drupal-ajax" data-big-pipe-replacement-for-placeholder-with-id="' . $big_pipe_placeholder_id . '">';
     $this->assertSession()->pageTextContains('The count is 1.');
diff --git a/core/modules/config/tests/src/Functional/ConfigSingleImportExportTest.php b/core/modules/config/tests/src/Functional/ConfigSingleImportExportTest.php
index 5d9871a3b715811f4e6257ad7082ea0f5ed4c344..8e55ab7890ca443d74b077b2085f9a8cab5f5ca1 100644
--- a/core/modules/config/tests/src/Functional/ConfigSingleImportExportTest.php
+++ b/core/modules/config/tests/src/Functional/ConfigSingleImportExportTest.php
@@ -266,6 +266,7 @@ public function testExport() {
     $this->assertSession()->optionExists('config_name', 'user.settings');
 
     $this->drupalGet('admin/config/development/configuration/single/export/system.simple/system.image');
+    // cspell:disable-next-line
     $this->assertSession()->fieldValueEquals('export', "_core:\n  default_config_hash: durWHaKeBaq4d9Wpi4RqwADj1OufDepcnJuhVLmKN24\ntoolkit: gd\n");
 
     // Verify that the date format entity type is selected when specified in
diff --git a/core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php b/core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php
index be32aaa5f2aeebfbffc356305f310d1c59dce115..4ef0cb20debaf96e3570de5d2b3831cfd292b6f6 100644
--- a/core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php
+++ b/core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php
@@ -16,9 +16,11 @@ class RenderPlaceholderMessageTestController implements ContainerAwareInterface,
    */
   public function messagesPlaceholderFirst() {
     return $this->build([
+      // cspell:disable
       '<drupal-render-placeholder callback="Drupal\Core\Render\Element\StatusMessages::renderMessages" arguments="0" token="_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P1" token="JBp04zOwNhYqMBgRkyBnPdma8m4l2elDnXMJ9tEsP6k"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P2" token="JnoubSJT1l92Dm4fJw4EPsSzRsmE88H6Q1zu9-OzDh4"></drupal-render-placeholder>',
+      // cspell:enable
     ]);
   }
 
@@ -27,9 +29,11 @@ public function messagesPlaceholderFirst() {
    */
   public function messagesPlaceholderMiddle() {
     return $this->build([
+      // cspell:disable
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P1" token="JBp04zOwNhYqMBgRkyBnPdma8m4l2elDnXMJ9tEsP6k"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="Drupal\Core\Render\Element\StatusMessages::renderMessages" arguments="0" token="_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P2" token="JnoubSJT1l92Dm4fJw4EPsSzRsmE88H6Q1zu9-OzDh4"></drupal-render-placeholder>',
+      // cspell:enable
     ]);
   }
 
@@ -38,9 +42,11 @@ public function messagesPlaceholderMiddle() {
    */
   public function messagesPlaceholderLast() {
     return $this->build([
+      // cspell:disable
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P1" token="JBp04zOwNhYqMBgRkyBnPdma8m4l2elDnXMJ9tEsP6k"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="\Drupal\render_placeholder_message_test\RenderPlaceholderMessageTestController::setAndLogMessage" arguments="0=P2" token="JnoubSJT1l92Dm4fJw4EPsSzRsmE88H6Q1zu9-OzDh4"></drupal-render-placeholder>',
       '<drupal-render-placeholder callback="Drupal\Core\Render\Element\StatusMessages::renderMessages" arguments="0" token="_HAdUpwWmet0TOTe2PSiJuMntExoshbm1kh2wQzzzAA"></drupal-render-placeholder>',
+      // cspell:enable
     ]);
   }
 
diff --git a/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php b/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
index 4b42dfeb73c83d80492f057fb94d6f4b142489ca..79b0b86ad3312212499ee663474334147b04fca4 100644
--- a/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
+++ b/core/modules/system/tests/src/Kernel/Entity/EntityReferenceSelectionReferenceableTest.php
@@ -8,6 +8,8 @@
 use Drupal\KernelTests\KernelTestBase;
 use Drupal\Tests\field\Traits\EntityReferenceTestTrait;
 
+// cspell:ignore xyabz
+
 /**
  * Tests entity reference selection plugins.
  *
diff --git a/core/modules/user/src/Plugin/Block/UserLoginBlock.php b/core/modules/user/src/Plugin/Block/UserLoginBlock.php
index ccd239b96ec6ba3ea63e5db4ce8a0d0e80c0c6fc..e35295a59069268248f7917e8aa9b343121cb56b 100644
--- a/core/modules/user/src/Plugin/Block/UserLoginBlock.php
+++ b/core/modules/user/src/Plugin/Block/UserLoginBlock.php
@@ -98,6 +98,7 @@ public function build() {
     // This is based on the implementation in
     // \Drupal\Core\Form\FormBuilder::prepareForm(), but the user login block
     // requires different behavior for the destination query argument.
+    // cspell:disable-next-line
     $placeholder = 'form_action_p_4r8ITd22yaUvXM6SzwrSe9rnQWe48hz9k1Sxto3pBvE';
 
     $form['#attached']['placeholders'][$placeholder] = [
diff --git a/core/tests/Drupal/Tests/Component/Diff/DiffOpOutputBuilderTest.php b/core/tests/Drupal/Tests/Component/Diff/DiffOpOutputBuilderTest.php
index 53ada909fec2e4ff45b159a390c53e893b9589a6..50b20ff8e16724df3dd7c9af51ff5094f3bc9f7b 100644
--- a/core/tests/Drupal/Tests/Component/Diff/DiffOpOutputBuilderTest.php
+++ b/core/tests/Drupal/Tests/Component/Diff/DiffOpOutputBuilderTest.php
@@ -124,7 +124,7 @@ public function testDiffInfiniteLoop(): void {
     $this->assertCount(4, $diffOps);
     $this->assertEquals($diffOps[0], new DiffOpAdd(['    - image.style.max_325x325']));
     $this->assertEquals($diffOps[1], new DiffOpCopy(['    - image.style.max_650x650']));
-    $this->assertEquals($diffOps[2], new DiffOpChange(['    - image.style.max_325x325'], ['_core:', '  default_config_hash: 3mjM9p-kQ8syzH7N8T0L9OnCJDSPvHAZoi3q6jcXJKM']));
+    $this->assertEquals($diffOps[2], new DiffOpChange(['    - image.style.max_325x325'], ['_core:', '  default_config_hash: random_hash_string_here']));
     $this->assertEquals($diffOps[3], new DiffOpCopy(['fallback_image_style: max_325x325', '']));
   }
 
diff --git a/core/tests/Drupal/Tests/Component/Diff/Engine/DiffEngineTest.php b/core/tests/Drupal/Tests/Component/Diff/Engine/DiffEngineTest.php
index 70265df1f6a557c0386dbdaed8af34ad766c3f2a..5feba62a3a9521a3bfef0f6d3edf27e1ff5084be 100644
--- a/core/tests/Drupal/Tests/Component/Diff/Engine/DiffEngineTest.php
+++ b/core/tests/Drupal/Tests/Component/Diff/Engine/DiffEngineTest.php
@@ -123,7 +123,7 @@ public function testDiffInfiniteLoop() {
     $this->assertCount(4, $diff);
     $this->assertEquals($diff[0], new DiffOpDelete(['    - image.style.max_650x650']));
     $this->assertEquals($diff[1], new DiffOpCopy(['    - image.style.max_325x325']));
-    $this->assertEquals($diff[2], new DiffOpAdd(['    - image.style.max_650x650', '_core:', '  default_config_hash: 3mjM9p-kQ8syzH7N8T0L9OnCJDSPvHAZoi3q6jcXJKM']));
+    $this->assertEquals($diff[2], new DiffOpAdd(['    - image.style.max_650x650', '_core:', '  default_config_hash: random_hash_string_here']));
     $this->assertEquals($diff[3], new DiffOpCopy(['fallback_image_style: max_325x325', '']));
   }
 
diff --git a/core/tests/Drupal/Tests/Component/Diff/Engine/fixtures/file2.txt b/core/tests/Drupal/Tests/Component/Diff/Engine/fixtures/file2.txt
index 81a03582310bb3ad5e04ff4a74b91ea7aeec8f9c..1cb072c71ad2381a9a3c8b7139c99997e38de1d5 100644
--- a/core/tests/Drupal/Tests/Component/Diff/Engine/fixtures/file2.txt
+++ b/core/tests/Drupal/Tests/Component/Diff/Engine/fixtures/file2.txt
@@ -1,5 +1,5 @@
     - image.style.max_325x325
     - image.style.max_650x650
 _core:
-  default_config_hash: 3mjM9p-kQ8syzH7N8T0L9OnCJDSPvHAZoi3q6jcXJKM
+  default_config_hash: random_hash_string_here
 fallback_image_style: max_325x325
diff --git a/core/tests/Drupal/Tests/Component/Utility/CryptTest.php b/core/tests/Drupal/Tests/Component/Utility/CryptTest.php
index f2ff256193bc8dc54e9ac8b1ba737b01dc9800ee..b541e574e867fb5e905bcbb5233b1d4eaf633c97 100644
--- a/core/tests/Drupal/Tests/Component/Utility/CryptTest.php
+++ b/core/tests/Drupal/Tests/Component/Utility/CryptTest.php
@@ -78,6 +78,7 @@ public function providerTestHashBase64() {
       ],
       [
         'data' => 'SHA-256 is one of the successor hash functions to SHA-1, and is one of the strongest hash functions available.',
+        // cspell:disable-next-line
         'expected_hash' => 'yuqkDDYqprL71k4xIb6K6D7n76xldO4jseRhEkEE6SI',
       ],
     ];
@@ -93,6 +94,7 @@ public function providerTestHmacBase64() {
       [
         'data' => 'Calculates a base-64 encoded, URL-safe sha-256 hmac.',
         'key' => 'secret-key',
+        // cspell:disable-next-line
         'expected_hmac' => '2AaH63zwjhekWZlEpAiufyfhAHIzbQhl9Hd9oCi3_c8',
       ],
     ];
diff --git a/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php b/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
index 8f29eff1af9dddcabc021e8b7e702af5ae2dfff0..2458ed307305739fbdd6c94f7c0779374309a467 100644
--- a/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
+++ b/core/tests/Drupal/Tests/Core/Asset/CssCollectionRendererUnitTest.php
@@ -96,6 +96,7 @@ public function providerTestRender() {
       return ['group' => 0, 'type' => 'file', 'media' => $media, 'preprocess' => $preprocess, 'data' => $data];
     };
 
+    // cspell:disable-next-line
     $custom_attributes = ['integrity' => 'sha384-psK1OYPAYjYUhtDYW+Pj2yc', 'crossorigin' => 'anonymous', 'random-attribute' => 'test'];
 
     return [
diff --git a/core/tests/Drupal/Tests/Core/Cache/Context/SessionCacheContextTest.php b/core/tests/Drupal/Tests/Core/Cache/Context/SessionCacheContextTest.php
index 453843f63c9d4d45898261b58395473a76c2bd6c..e591f4f13a0cf017102de2de28cafac9c73a8a4d 100644
--- a/core/tests/Drupal/Tests/Core/Cache/Context/SessionCacheContextTest.php
+++ b/core/tests/Drupal/Tests/Core/Cache/Context/SessionCacheContextTest.php
@@ -56,6 +56,7 @@ public function testSameContextForSameSession() {
     $this->request->setSession($this->session);
     $cache_context = new SessionCacheContext($this->requestStack);
 
+    // cspell:disable-next-line
     $session_id = 'aSebeZ52bbM6SvADurQP89SFnEpxY6j8';
     $this->session->expects($this->exactly(2))
       ->method('getId')
@@ -76,6 +77,7 @@ public function testDifferentContextForDifferentSession() {
 
     // cspell:disable-next-line
     $session1_id = 'pjH_8aSoofyCDQiuVYXJcbfyr-CPtkUY';
+    // cspell:disable-next-line
     $session2_id = 'aSebeZ52bbM6SvADurQP89SFnEpxY6j8';
     $this->session->expects($this->exactly(2))
       ->method('getId')
diff --git a/core/tests/Drupal/Tests/Core/Datetime/DateTest.php b/core/tests/Drupal/Tests/Core/Datetime/DateTest.php
index a3a17ba685e18d6aed0b72cf361c4a89d0f19532..b73fb66ccf8ecb55b90cba728f3c2e9a3d6220a5 100644
--- a/core/tests/Drupal/Tests/Core/Datetime/DateTest.php
+++ b/core/tests/Drupal/Tests/Core/Datetime/DateTest.php
@@ -173,6 +173,7 @@ public function testGetSampleDateFormats() {
 
     // Removed characters related to timezone 'e' and 'T', as test does not have
     // timezone set.
+    // cspell:disable-next-line
     $date_characters = 'dDjlNSwzWFmMntLoYyaABgGhHisuIOPZcrU';
     $date_chars = str_split($date_characters);