CONSOLE ERROR: line 7: Unsafe JavaScript attempt to initiate navigation for frame with URL 'http://web-platform.test:8001/html/semantics/embedded-content/the-iframe-element/iframe_sandbox_allow_top_navigation-2.html' from frame with URL 'http://web-platform.test:8001/html/semantics/embedded-content/the-iframe-element/support/iframe-that-performs-top-navigation-on-popup.html'. The frame attempting navigation of the top-level window is sandboxed, but the flag of 'allow-top-navigation' or 'allow-top-navigation-by-user-activation' is not set.

