Increase timeout for file upload validation

Increased timeout duration for file upload validation.

Author: Harmanpreet-Microsoft

tests/e2e-test/tests/test_chat_with_your_data.py

@@ -23,7 +23,7 @@ def validate_admin_page_loaded(page, admin_page, home_page):
 
 def validate_files_are_uploaded(page, admin_page, home_page):
     admin_page.click_delete_data_tab()
-    page.wait_for_timeout(5000)
+    page.wait_for_timeout(20000)
     checkbox_count = page.locator(admin_page.DELETE_CHECK_BOXES).count()
     assert checkbox_count >= 1, "No files available to delete"