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Rafael Kitover authored
Use `xvfb` as per instructions at: https://docs.travis-ci.com/user/gui-and-headless-browsers/ to run the `--help` check on linux. Try https url for `pkg.mxe.cc`. Signed-off-by: Rafael Kitover <rkitover@gmail.com>
Use `xvfb` as per instructions at: https://docs.travis-ci.com/user/gui-and-headless-browsers/ to run the `--help` check on linux. Try https url for `pkg.mxe.cc`. Signed-off-by: Rafael Kitover <rkitover@gmail.com>