tests(travis): only run tests on master
tests(travis): only run tests on master

bdronneau/imwatchingyou,basti1dr/imwatchingyou,basti1dr/imwatchingyou,basti1dr/imwatchingyou,bdronneau/imwatchingyou,bdronneau/imwatchingyou,basti1dr/imwatchingyou,bdronneau/imwatchingyou