When you search for [my photos], you'll get a similar message: "Looking for your photos? Sign in to see photos from your account."
Other queries that trigger the "sign in" card: [my events], [my agenda], [my calendar], [my mail], [my files], [my drive], [my documents], [my spreadsheet], [my presentations], [my bills], [my reservations], [my hotel reservations], [my restaurant reservations], [track my package], [my flights], [my tickets].
