Tests that global commands such as captureSnapshot, captureScreenshot, getAppManifest, startScreencast, or setDownloadBehavior returns an error with Fenced Frame target
Page.captureSnapshot: Command can only be executed on top-level targets
Page.captureScreenshot: Command can only be executed on top-level targets
Page.getAppManifest: Command can only be executed on top-level targets
Page.startScreencast: Command can only be executed on top-level targets
Page.setDownloadBehavior: Command can only be executed on top-level targets