diff --git a/test/ui-test/contentAssistTest.ts b/test/ui-test/contentAssistTest.ts
index 5e94d624..7aec8d06 100644
--- a/test/ui-test/contentAssistTest.ts
+++ b/test/ui-test/contentAssistTest.ts
@@ -16,16 +16,16 @@ export function contentAssistSuggestionTest(): void {
     const yamlFilePath = path.join(homeDir, yamlFileName);
 
     before(async function setup() {
-      this.timeout(20000);
+      this.timeout(80000);
       driver = VSBrowser.instance.driver;
       editor = await createCustomFile(yamlFilePath);
       await driver.wait(async () => {
         return await getSchemaLabel(yamlFileName);
-      }, 18000);
+      }, 45000);
     });
 
     it('Content assist suggests right suggestion', async function () {
-      this.timeout(15000);
+      this.timeout(45000);
       editor = new TextEditor();
       await editor.setText('api');
       const contentAssist = await editor.toggleContentAssist(true);
diff --git a/test/ui-test/customTagsTest.ts b/test/ui-test/customTagsTest.ts
index 486a0757..57ec7769 100644
--- a/test/ui-test/customTagsTest.ts
+++ b/test/ui-test/customTagsTest.ts
@@ -18,17 +18,17 @@ export function customTagsTest(): void {
     let editorView: EditorView;
 
     before(async function setup() {
-      this.timeout(20000);
+      this.timeout(80000);
       driver = VSBrowser.instance.driver;
       editorView = new EditorView();
       await createCustomFile(yamlFilePath);
       await driver.wait(async () => {
         return await getSchemaLabel(yamlFileName);
-      }, 18000);
+      }, 45000);
     });
 
     it('YAML custom tags works as expected', async function () {
-      this.timeout(30000);
+      this.timeout(60000);
 
       const settingsEditor = await new Workbench().openSettings();
       const setting = await settingsEditor.findSetting('Custom Tags', 'Yaml');
@@ -37,7 +37,21 @@ export function customTagsTest(): void {
       await hardDelay(2000);
       const textSettingsEditor = (await editorView.openEditor('settings.json')) as TextEditor;
       if (process.platform === 'darwin') {
-        await driver.actions().sendKeys('    "customTag1"').perform();
+        const fullText = await textSettingsEditor.getText();
+        const lines = fullText.split('\n');
+
+        // find the line with "yaml.customTags"
+        let targetLine = -1;
+        for (let i = 0; i < lines.length; i++) {
+          if (lines[i].includes('"yaml.customTags"') && lines[i].includes('[')) {
+            targetLine = i + 2; // position on the line after the opening bracket
+            break;
+          }
+        }
+        if (targetLine === -1) {
+          expect.fail('Could not find yaml.customTags in settings.json');
+        }
+        await textSettingsEditor.typeTextAt(targetLine, 5, '    "customTag1"');
       } else {
         const coor = await textSettingsEditor.getCoordinates();
         await textSettingsEditor.typeTextAt(coor[0], coor[1], '    "customTag1"');
diff --git a/test/ui-test/extensionUITest.ts b/test/ui-test/extensionUITest.ts
index d3243751..db1dd868 100644
--- a/test/ui-test/extensionUITest.ts
+++ b/test/ui-test/extensionUITest.ts
@@ -22,28 +22,53 @@ export function extensionUIAssetsTest(): void {
     let yamlItem: ExtensionsViewItem;
 
     before(async function () {
-      this.timeout(20000);
+      this.timeout(100000);
       driver = VSBrowser.instance.driver;
       view = await new ActivityBar().getViewControl('Extensions');
       sideBar = await view.openView();
-      driver.wait(
+      await driver.wait(
         async () => !(await sideBar.getContent().hasProgress()),
-        5000,
+        30000,
         "Progress bar hasn't been hidden within the timeout"
       );
-      section = (await sideBar.getContent().getSection('Installed')) as ExtensionsViewSection;
+      // wait a bit for sections to load
+      await new Promise((resolve) => setTimeout(resolve, 10000));
+      section = await driver.wait(
+        async () => {
+          try {
+            const content = sideBar.getContent();
+            const sections = await content.getSections();
+            for (const sectionName of ['Installed', 'INSTALLED', 'installed']) {
+              try {
+                const sec = await content.getSection(sectionName);
+                if (sec) return sec as ExtensionsViewSection;
+              } catch {
+                // try next name
+              }
+            }
+            if (sections.length > 0) {
+              return sections[0] as ExtensionsViewSection;
+            }
+            return null;
+          } catch {
+            return null;
+          }
+        },
+        40000,
+        'Could not find extensions section'
+      );
       await section.expand();
       yamlItem = await driver.wait(
         async () => {
           return await section.findItem(`@installed ${YamlConstants.YAML_NAME}`);
         },
-        5000,
+        20000,
         'There were not visible items available under installed section'
       );
     });
 
     it('YAML extension is installed', async function () {
-      this.timeout(5000);
+      this.timeout(10000);
       expect(yamlItem).not.undefined;
       let author: string;
       let name: string;
@@ -62,7 +87,8 @@ export function extensionUIAssetsTest(): void {
       expect(author).to.equal('Red Hat');
     });
 
-    after(async () => {
+    after(async function () {
+      this.timeout(5000);
       if (sideBar && (await sideBar.isDisplayed()) && view) {
         await view.closeView();
       }