util.js: timestamp() method should work also when window.output.baseMillis is not set.
util.js: timestamp() method should work also when window.output.baseMillis is not set.

For example testdoc uses timestamp() but does not use baseMillis.

Update issue 1286
Status: Started
Fixed generating timestamps.

waldenner/robotframework,ldtri0209/robotframework,waldenner/robotframework,ldtri0209/robotframework,fiuba08/robotframework,ldtri0209/robotframework,fiuba08/robotframework,waldenner/robotframework,fiuba08/robotframework,waldenner/robotframework,waldenner/robotframework,fiuba08/robotframework,fiuba08/robotframework,ldtri0209/robotframework,ldtri0209/robotframework