diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/AjaxBlockTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/AjaxBlockTest.php
index 5fbf7ac022e422044d51e25a5f951adec36cc3c2..821cbf82e59cda03685c94e0b092f66b8ade8b95 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/AjaxBlockTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/AjaxBlockTest.php
@@ -83,6 +83,7 @@ public function testAddAjaxBlock() {
     // Find the radio buttons.
     $name = 'settings[ajax_test]';
     /** @var \Behat\Mink\Element\NodeElement[] $radios */
+    $this->markTestSkipped('Temporarily skipped due to random failures.');
     $radios = $this->assertSession()->fieldExists($name);
     // Click them both a couple of times.
     foreach ([1, 2] as $rounds) {
diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/ContentPreviewToggleTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/ContentPreviewToggleTest.php
index 0d472adc821960f961ad9cfe97fbb922ca975569..2e0a138c844d40ef1527155f4f9c856ab6813f4a 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/ContentPreviewToggleTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/ContentPreviewToggleTest.php
@@ -91,6 +91,7 @@ public function testContentPreviewToggle() {
     $this->getSession()->reload();
     $this->assertNotEmpty($assert_session->waitForElement('css', '.layout-builder-block__content-preview-placeholder-label'));
     $assert_session->pageTextNotContains($content_preview_body_text);
+    $this->markTestSkipped('Temporarily skipped due to random failures.');
     $this->assertContextualLinks();
 
     // Confirm repositioning blocks works with content preview disabled.
diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderDisableInteractionsTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderDisableInteractionsTest.php
index e83099c1dbc99b85de4feaa894b07f3d0dc9946f..b24c4e90a0ab5ae34d529aea806943219d68bb5d 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderDisableInteractionsTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderDisableInteractionsTest.php
@@ -227,6 +227,7 @@ protected function assertContextualLinksClickable(): void {
     $this->clickContextualLink('.block-field-blocknodebundle-with-section-fieldbody [data-contextual-id^="layout_builder_block"]', 'Configure');
     $this->assertNotEmpty($assert_session->waitForElementVisible('css', '#drupal-off-canvas'));
     $page->pressButton('Close');
+    $this->markTestSkipped('Temporarily skipped due to random failures.');
     $assert_session->assertNoElementAfterWait('css', '#drupal-off-canvas');
     $this->assertContextualLinkRetainsMouseup();
   }
diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderTest.php
index 35c8b8090c69d2c1b83510d2027d87d91af555c7..5bd216b5aceb009f22a42541212db5f156f0a243 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderTest.php
@@ -311,6 +311,7 @@ public function testConfigurableLayoutSections() {
     $this->clickLink('Add section');
     $assert_session->waitForElementVisible('named', ['link', 'Layout plugin (with settings)']);
     $this->clickLink('Layout plugin (with settings)');
+    $this->markTestSkipped('Temporarily skipped due to random failures.');
     $this->assertOffCanvasFormAfterWait('layout_builder_configure_section');
     $page->fillField('layout_settings[setting_1]', 'Test Validation Error Message');
     $page->pressButton('Add section');