Kai Volland 912fb03564 Fixes RasterSource tests ...

Puppeteer/TestSuite seems to have
problems with webworker so threads is set
to 0

2019-03-18 10:33:05 +01:00

..

expected.png

…

main.js

Fixes RasterSource tests

2019-03-18 10:33:05 +01:00