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Test Info:

from tests.support.classic.asserts import assert_success
def get_window_handle(session):
return session.transport.send("GET", f"session/{session.session_id}/window")
# Retrieving the window handle doesn't interact with the page content.
def test_parent_process_context_without_system_access(parent_process_session):
response = get_window_handle(parent_process_session)
assert_success(response)
def test_extension_context_without_system_access(session, install_new_tab_extension):
handle, _ = install_new_tab_extension
session.window_handle = handle
assert session.url.startswith("moz-extension://")
response = get_window_handle(session)
assert_success(response)