diff --git a/x-pack/test_serverless/functional/test_suites/common/examples/search_examples/search_example.ts b/x-pack/test_serverless/functional/test_suites/common/examples/search_examples/search_example.ts
index 67a2e41d50314..dff9c30052905 100644
--- a/x-pack/test_serverless/functional/test_suites/common/examples/search_examples/search_example.ts
+++ b/x-pack/test_serverless/functional/test_suites/common/examples/search_examples/search_example.ts
@@ -17,7 +17,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
 
   // Failing: See https://github.com/elastic/kibana/issues/165730
   // FLAKY: https://github.com/elastic/kibana/issues/165735
-  describe.skip('Search example', () => {
+  describe('Search example', () => {
     describe('with bfetch', () => {
       testSearchExample();
     });
@@ -83,7 +83,8 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
         });
       });
 
-      it('should handle warnings', async () => {
+      // failing because no toasts are displayed
+      it.skip('should handle warnings', async () => {
         await testSubjects.click('searchWithWarning');
         await retry.waitFor('', async () => {
           const toastCount = await toasts.getToastCount();
diff --git a/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/dataset_selection_state.ts b/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/dataset_selection_state.ts
index 4c8ddb58bf45d..1e12a054c852f 100644
--- a/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/dataset_selection_state.ts
+++ b/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/dataset_selection_state.ts
@@ -12,13 +12,27 @@ import { FtrProviderContext } from '../../../ftr_provider_context';
 export default function ({ getService, getPageObjects }: FtrProviderContext) {
   const browser = getService('browser');
   const retry = getService('retry');
-  const PageObjects = getPageObjects(['common', 'observabilityLogExplorer']);
+  const PageObjects = getPageObjects([
+    'common',
+    'observabilityLogExplorer',
+    'svlCommonPage',
+    'header',
+  ]);
+
+  // https://github.com/elastic/kibana/issues/166016
+  describe('DatasetSelection initialization and update', () => {
+    before(async () => {
+      await PageObjects.svlCommonPage.login();
+    });
+
+    after(async () => {
+      await PageObjects.svlCommonPage.forceLogout();
+    });
 
-  // FLAKY: https://github.com/elastic/kibana/issues/166016
-  describe.skip('DatasetSelection initialization and update', () => {
     describe('when the "index" query param does not exist', () => {
       it('should initialize the "All logs" selection', async () => {
         await PageObjects.observabilityLogExplorer.navigateTo();
+        await PageObjects.header.waitUntilLoadingHasFinished();
         const datasetSelectionTitle =
           await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
 
@@ -35,6 +49,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
             _a: rison.encode({ index: azureActivitylogsIndex }),
           }),
         });
+        await PageObjects.header.waitUntilLoadingHasFinished();
 
         const datasetSelectionTitle =
           await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
@@ -49,6 +64,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
             _a: rison.encode({ index: invalidEncodedIndex }),
           }),
         });
+        await PageObjects.header.waitUntilLoadingHasFinished();
 
         const datasetSelectionTitle =
           await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
@@ -61,6 +77,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
     describe('when navigating back and forth on the page history', () => {
       it('should decode and restore the selection for the current index', async () => {
         await PageObjects.observabilityLogExplorer.navigateTo();
+        await PageObjects.header.waitUntilLoadingHasFinished();
         const allDatasetSelectionTitle =
           await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
         expect(allDatasetSelectionTitle).to.be('All logs');
@@ -73,6 +90,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
             controlPanels: rison.encode({}),
           }),
         });
+        await PageObjects.header.waitUntilLoadingHasFinished();
         const azureDatasetSelectionTitle =
           await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
         expect(azureDatasetSelectionTitle).to.be('[Azure Logs] activitylogs');
@@ -80,6 +98,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
         // Go back to previous page selection
         await retry.try(async () => {
           await browser.goBack();
+          await PageObjects.header.waitUntilLoadingHasFinished();
           const backNavigationDatasetSelectionTitle =
             await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
           expect(backNavigationDatasetSelectionTitle).to.be('All logs');
@@ -88,6 +107,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
         // Go forward to previous page selection
         await retry.try(async () => {
           await browser.goForward();
+          await PageObjects.header.waitUntilLoadingHasFinished();
           const forwardNavigationDatasetSelectionTitle =
             await PageObjects.observabilityLogExplorer.getDatasetSelectorButtonText();
           expect(forwardNavigationDatasetSelectionTitle).to.be('[Azure Logs] activitylogs');
diff --git a/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/header_menu.ts b/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/header_menu.ts
index c7cba34e28ec2..882c5803a6cc0 100644
--- a/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/header_menu.ts
+++ b/x-pack/test_serverless/functional/test_suites/observability/observability_log_explorer/header_menu.ts
@@ -18,10 +18,11 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
     'observabilityLogExplorer',
     'svlCommonPage',
     'timePicker',
+    'header',
   ]);
 
   // FLAKY: https://github.com/elastic/kibana/issues/167189
-  describe.skip('Header menu', () => {
+  describe('Header menu', () => {
     before(async () => {
       await kibanaServer.importExport.load('test/functional/fixtures/kbn_archiver/discover');
       await esArchiver.load(
@@ -29,6 +30,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       );
       await PageObjects.svlCommonPage.login();
       await PageObjects.observabilityLogExplorer.navigateTo();
+      await PageObjects.header.waitUntilLoadingHasFinished();
     });
 
     after(async () => {
@@ -47,6 +49,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
     describe('Discover fallback link', () => {
       before(async () => {
         await PageObjects.observabilityLogExplorer.navigateTo();
+        await PageObjects.header.waitUntilLoadingHasFinished();
       });
 
       it('should render a button link ', async () => {
@@ -99,6 +102,7 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
     describe('Add data link', () => {
       before(async () => {
         await PageObjects.observabilityLogExplorer.navigateTo();
+        await PageObjects.header.waitUntilLoadingHasFinished();
       });
 
       it('should render a button link ', async () => {
diff --git a/x-pack/test_serverless/functional/test_suites/search/empty_page.ts b/x-pack/test_serverless/functional/test_suites/search/empty_page.ts
index 5a7891968cb81..e3e82c0b0d97b 100644
--- a/x-pack/test_serverless/functional/test_suites/search/empty_page.ts
+++ b/x-pack/test_serverless/functional/test_suites/search/empty_page.ts
@@ -25,6 +25,7 @@ export default function ({ getPageObject, getService }: FtrProviderContext) {
 
     it('should show search specific empty page in discover', async () => {
       await svlCommonNavigation.sidenav.clickLink({ deepLinkId: 'discover' });
+      await testSubjects.existOrFail('~breadcrumb-deepLinkId-discover');
       await testSubjects.existOrFail('kbnOverviewElasticsearchGettingStarted');
       await testSubjects.click('kbnOverviewElasticsearchGettingStarted');
       await svlCommonNavigation.breadcrumbs.expectBreadcrumbExists({ text: 'Getting started' });
@@ -32,6 +33,7 @@ export default function ({ getPageObject, getService }: FtrProviderContext) {
 
     it('should show search specific empty page in visualize', async () => {
       await svlCommonNavigation.sidenav.clickLink({ deepLinkId: 'visualize' });
+      await testSubjects.existOrFail('~breadcrumb-deepLinkId-visualize');
       await testSubjects.existOrFail('kbnOverviewElasticsearchGettingStarted');
       await testSubjects.click('kbnOverviewElasticsearchGettingStarted');
       await svlCommonNavigation.breadcrumbs.expectBreadcrumbExists({ text: 'Getting started' });
@@ -39,6 +41,7 @@ export default function ({ getPageObject, getService }: FtrProviderContext) {
 
     it('should show search specific empty page in dashboards', async () => {
       await svlCommonNavigation.sidenav.clickLink({ deepLinkId: 'dashboards' });
+      await testSubjects.existOrFail('~breadcrumb-deepLinkId-dashboards');
       await testSubjects.existOrFail('kbnOverviewElasticsearchGettingStarted');
       await testSubjects.click('kbnOverviewElasticsearchGettingStarted');
       await svlCommonNavigation.breadcrumbs.expectBreadcrumbExists({ text: 'Getting started' });