diff --git a/.buildkite/ftr_configs.yml b/.buildkite/ftr_configs.yml
index 662ebbe522ebd..788bbc2df8d4e 100644
--- a/.buildkite/ftr_configs.yml
+++ b/.buildkite/ftr_configs.yml
@@ -307,6 +307,7 @@ enabled:
   - x-pack/test/functional/apps/ml/stack_management_jobs/config.ts
   - x-pack/test/functional/apps/monitoring/config.ts
   - x-pack/test/functional/apps/observability_log_explorer/config.ts
+  - x-pack/test/functional/apps/painless_lab/config.ts
   - x-pack/test/functional/apps/remote_clusters/config.ts
   - x-pack/test/functional/apps/reporting_management/config.ts
   - x-pack/test/functional/apps/rollup_job/config.ts
diff --git a/x-pack/test/functional/apps/painless_lab/config.ts b/x-pack/test/functional/apps/painless_lab/config.ts
new file mode 100644
index 0000000000000..d0d07ff200281
--- /dev/null
+++ b/x-pack/test/functional/apps/painless_lab/config.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { FtrConfigProviderContext } from '@kbn/test';
+
+export default async function ({ readConfigFile }: FtrConfigProviderContext) {
+  const functionalConfig = await readConfigFile(require.resolve('../../config.base.js'));
+
+  return {
+    ...functionalConfig.getAll(),
+    testFiles: [require.resolve('.')],
+  };
+}
diff --git a/x-pack/test/functional/apps/painless_lab/index.ts b/x-pack/test/functional/apps/painless_lab/index.ts
new file mode 100644
index 0000000000000..70aca9309243e
--- /dev/null
+++ b/x-pack/test/functional/apps/painless_lab/index.ts
@@ -0,0 +1,14 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { FtrProviderContext } from '../../ftr_provider_context';
+
+export default ({ loadTestFile }: FtrProviderContext) => {
+  describe('Painless lab app', function () {
+    loadTestFile(require.resolve('./painless_lab'));
+  });
+};
diff --git a/x-pack/test/functional/apps/painless_lab/painless_lab.ts b/x-pack/test/functional/apps/painless_lab/painless_lab.ts
new file mode 100644
index 0000000000000..015263d6edec5
--- /dev/null
+++ b/x-pack/test/functional/apps/painless_lab/painless_lab.ts
@@ -0,0 +1,53 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import expect from '@kbn/expect';
+import { FtrProviderContext } from '../../ftr_provider_context';
+
+const TEST_SCRIPT_RESULT = 45;
+const TEST_SCRIPT = `
+int total = 0;
+
+for (int i = 0; i < 10; ++i) {
+  total += i;
+}
+
+return total;
+`.trim();
+
+export default function ({ getService, getPageObjects }: FtrProviderContext) {
+  const retry = getService('retry');
+  const PageObjects = getPageObjects(['common', 'console', 'header']);
+  const testSubjects = getService('testSubjects');
+  const monacoEditor = getService('monacoEditor');
+
+  describe('Painless lab', function describeIndexTests() {
+    before(async () => {
+      await PageObjects.common.navigateToApp('dev_tools', { hash: '/painless_lab' });
+      await retry.waitFor('Wait for editor to be visible', async () => {
+        return testSubjects.isDisplayed('painless_lab');
+      });
+    });
+
+    it('should show the editor and preview panels', async () => {
+      const editor = await testSubjects.find('kibanaCodeEditor');
+      const preview = await testSubjects.find('painlessTabs');
+
+      expect(await editor.isDisplayed()).to.be(true);
+      expect(await preview.isDisplayed()).to.be(true);
+    });
+
+    it('executes the script and shows the right result', async () => {
+      await monacoEditor.setCodeEditorValue(TEST_SCRIPT);
+
+      await retry.try(async () => {
+        const result = await testSubjects.find('painlessTabs');
+        expect(await result.getVisibleText()).to.contain(TEST_SCRIPT_RESULT.toString());
+      });
+    });
+  });
+}
diff --git a/x-pack/test_serverless/functional/test_suites/common/painless_lab/index.ts b/x-pack/test_serverless/functional/test_suites/common/painless_lab/index.ts
new file mode 100644
index 0000000000000..0a0b9c0ab022d
--- /dev/null
+++ b/x-pack/test_serverless/functional/test_suites/common/painless_lab/index.ts
@@ -0,0 +1,14 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import { FtrProviderContext } from '../../../ftr_provider_context';
+
+export default function ({ loadTestFile }: FtrProviderContext) {
+  describe('Serverless Common UI - Painless lab', function () {
+    loadTestFile(require.resolve('./painless_lab'));
+  });
+}
diff --git a/x-pack/test_serverless/functional/test_suites/common/painless_lab/painless_lab.ts b/x-pack/test_serverless/functional/test_suites/common/painless_lab/painless_lab.ts
new file mode 100644
index 0000000000000..e781808189100
--- /dev/null
+++ b/x-pack/test_serverless/functional/test_suites/common/painless_lab/painless_lab.ts
@@ -0,0 +1,58 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0; you may not use this file except in compliance with the Elastic License
+ * 2.0.
+ */
+
+import expect from '@kbn/expect';
+import { FtrProviderContext } from '../../../ftr_provider_context';
+
+const TEST_SCRIPT_RESULT = 45;
+const TEST_SCRIPT = `
+int total = 0;
+
+for (int i = 0; i < 10; ++i) {
+  total += i;
+}
+
+return total;
+`.trim();
+
+export default function ({ getService, getPageObjects }: FtrProviderContext) {
+  const retry = getService('retry');
+  const PageObjects = getPageObjects(['common', 'console', 'header', 'svlCommonPage']);
+  const testSubjects = getService('testSubjects');
+  const monacoEditor = getService('monacoEditor');
+
+  describe('Painless lab', function describeIndexTests() {
+    before(async () => {
+      await PageObjects.svlCommonPage.login();
+      await PageObjects.common.navigateToApp('dev_tools', { hash: '/painless_lab' });
+      await retry.waitFor('Wait for editor to be visible', async () => {
+        return testSubjects.isDisplayed('painless_lab');
+      });
+    });
+
+    after(async () => {
+      await PageObjects.svlCommonPage.forceLogout();
+    });
+
+    it('should show the editor and preview panels', async () => {
+      const editor = await testSubjects.find('kibanaCodeEditor');
+      const preview = await testSubjects.find('painlessTabs');
+
+      expect(await editor.isDisplayed()).to.be(true);
+      expect(await preview.isDisplayed()).to.be(true);
+    });
+
+    it('executes the script and shows the right result', async () => {
+      await monacoEditor.setCodeEditorValue(TEST_SCRIPT);
+
+      await retry.try(async () => {
+        const result = await testSubjects.find('painlessTabs');
+        expect(await result.getVisibleText()).to.contain(TEST_SCRIPT_RESULT.toString());
+      });
+    });
+  });
+}
diff --git a/x-pack/test_serverless/functional/test_suites/observability/common_configs/config.group1.ts b/x-pack/test_serverless/functional/test_suites/observability/common_configs/config.group1.ts
index 7207a857f692f..79ace54bdc6ac 100644
--- a/x-pack/test_serverless/functional/test_suites/observability/common_configs/config.group1.ts
+++ b/x-pack/test_serverless/functional/test_suites/observability/common_configs/config.group1.ts
@@ -19,6 +19,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('../../common/reporting'),
       require.resolve('../../common/grok_debugger'),
       require.resolve('../../common/console'),
+      require.resolve('../../common/painless_lab'),
     ],
     junit: {
       reportName: 'Serverless Observability Functional Tests - Common Group 1',
diff --git a/x-pack/test_serverless/functional/test_suites/security/common_configs/config.group1.ts b/x-pack/test_serverless/functional/test_suites/security/common_configs/config.group1.ts
index 9f96ca3b0c263..c7771a0bf9c2d 100644
--- a/x-pack/test_serverless/functional/test_suites/security/common_configs/config.group1.ts
+++ b/x-pack/test_serverless/functional/test_suites/security/common_configs/config.group1.ts
@@ -19,6 +19,7 @@ export default async function ({ readConfigFile }: FtrConfigProviderContext) {
       require.resolve('../../common/reporting'),
       require.resolve('../../common/grok_debugger'),
       require.resolve('../../common/console'),
+      require.resolve('../../common/painless_lab'),
     ],
     junit: {
       reportName: 'Serverless Security Functional Tests - Common Group 1',