Tests that navigator.geolocation cannot be shadowed. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". * Strict mode PASS navigator.geolocation = 1 threw exception TypeError: Attempted to assign to readonly property.. PASS navigator.geolocation is not 1 * Non-Strict mode PASS navigator.geolocation = 1 did not throw exception. PASS navigator.geolocation is not 1 PASS successfullyParsed is true TEST COMPLETE