diff --git a/core/drupalci.yml b/core/drupalci.yml
index cd92d8102d..80729e805d 100644
--- a/core/drupalci.yml
+++ b/core/drupalci.yml
@@ -9,43 +9,10 @@ _phpunit_testgroups_to_execute: &testgroups
 build:
   assessment:
     testing:
-      # Run code quality checks.
-      container_command.commit-checks:
-        commands:
-          - "core/scripts/dev/commit-code-check.sh --drupalci"
-        halt-on-fail: true
-      # run_tests task is executed several times in order of performance speeds.
-      # halt-on-fail can be set on the run_tests tasks in order to fail fast.
-      # suppress-deprecations is false in order to be alerted to usages of
-      # deprecated code.
-      run_tests.phpunit:
-        types: 'PHPUnit-Unit'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      run_tests.kernel:
-        types: 'PHPUnit-Kernel'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      run_tests.build:
-        # Limit concurrency due to disk space concerns.
-        concurrency: 15
-        types: 'PHPUnit-Build'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      run_tests.functional:
-        types: 'PHPUnit-Functional'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
       run_tests.javascript:
         concurrency: 15
         types: 'PHPUnit-FunctionalJavascript'
         suppress-deprecations: false
         halt-on-fail: false
-        <<: *testgroups
-      # Run nightwatch testing.
-      # @see https://www.drupal.org/project/drupal/issues/2869825
-      nightwatchjs: {}
+        testgroups: '--class "\Drupal\Tests\layout_builder\FunctionalJavascript\LayoutBuilderNestedFormUiTest"'
+        repeat: 1500
diff --git a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderNestedFormUiTest.php b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderNestedFormUiTest.php
index f375841d4c..d068dff67e 100644
--- a/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderNestedFormUiTest.php
+++ b/core/modules/layout_builder/tests/src/FunctionalJavascript/LayoutBuilderNestedFormUiTest.php
@@ -66,7 +66,6 @@ protected function setUp(): void {
    * Tests blocks containing forms can be successfully saved editing defaults.
    */
   public function testAddingFormBlocksToDefaults() {
-    $this->markTestSkipped();
     $this->drupalLogin($this->drupalCreateUser([
       'configure any layout',
       'administer node display',
@@ -97,30 +96,6 @@ public function testAddingFormBlocksToDefaults() {
     }
   }
 
-  /**
-   * Tests blocks containing forms can be successfully saved editing overrides.
-   */
-  public function testAddingFormBlocksToOverrides() {
-    $this->markTestSkipped();
-    $this->drupalLogin($this->drupalCreateUser([
-      'configure any layout',
-      'administer node display',
-    ]));
-
-    // From the manage display page, enable Layout Builder.
-    $field_ui_prefix = 'admin/structure/types/manage/bundle_with_section_field';
-    $this->drupalGet("$field_ui_prefix/display/default");
-    $this->submitForm(['layout[enabled]' => TRUE], 'Save');
-    $this->submitForm(['layout[allow_custom]' => TRUE], 'Save');
-
-    $expected_save_message = 'The layout override has been saved.';
-    $nid = 1;
-    foreach (static::FORM_BLOCK_LABELS as $label) {
-      $this->addFormBlock($label, "node/$nid", $expected_save_message);
-      $nid++;
-    }
-  }
-
   /**
    * Adds a form block specified by label layout and checks it can be saved.
    *