1 Tests that navigator.geolocation.watchPosition returns unique results within its script execution context.
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 PASS watchID1 > 0 is true
7 PASS watchID2 > 0 is true
8 PASS watchID3 > 0 is true
9 PASS watchID1 !== watchID2 is true
10 PASS watchID1 !== watchID3 is true
11 PASS watchID2 !== watchID3 is true
12 PASS successfullyParsed is true