fix broken tests

Author: dididy

zeppelin-web-angular/e2e/models/folder-rename-page.ts

@@ -81,8 +81,10 @@ export class FolderRenamePage extends BasePage {
   }
 
   async clearNewName(): Promise<void> {
-    await this.renameInput.clear();
-    await expect(this.renameInput).toHaveValue('');
+    await this.renameInput.click();
+    await this.renameInput.press('Control+a');
+    await this.renameInput.press('Backspace');
+    await expect(this.renameInput).toHaveValue('', { timeout: 5000 });
   }
 
   async clickConfirm(): Promise<void> {

zeppelin-web-angular/e2e/tests/notebook/keyboard/notebook-keyboard-shortcuts.spec.ts

@@ -1030,8 +1030,7 @@ test.describe.serial('Comprehensive Keyboard Shortcuts (ShortcutsMap)', () => {
       // Rapid Shift+Enter operations
       for (let i = 0; i < 3; i++) {
         await keyboardPage.pressRunParagraph();
-        // JUSTIFIED: single-paragraph test notebook; first() is deterministic
-        await expect(keyboardPage.paragraphResult.first()).toBeVisible({ timeout: 15000 });
+        await keyboardPage.waitForParagraphExecution(0);
         await keyboardPage.page.waitForTimeout(500); // JUSTIFIED: brief gap between rapid sequential runs to prevent WebSocket message overlap
       }