SDC-5187. Update testcontainers to 1.1.8 for compatibility with docker 1.13
SDC-5187. Update testcontainers to 1.1.8 for compatibility with docker 1.13

Change-Id: I51fc83589e9d69fb54ae7b83cc1958626993dac6
Reviewed-on: https://review.streamsets.net/6352
Reviewed-by: Jarcec Cecho <df2d427dacaa504f2ede0aed47c4cdf043778b95@streamsets.com>

kunickiaj/datacollector,z123/datacollector,z123/datacollector,SandishKumarHN/datacollector,SandishKumarHN/datacollector,z123/datacollector,rockmkd/datacollector,kunickiaj/datacollector,kunickiaj/datacollector,rockmkd/datacollector,rockmkd/datacollector,SandishKumarHN/datacollector,streamsets/datacollector,streamsets/datacollector,streamsets/datacollector,SandishKumarHN/datacollector,streamsets/datacollector,streamsets/datacollector,rockmkd/datacollector,SandishKumarHN/datacollector,rockmkd/datacollector,kunickiaj/datacollector,z123/datacollector,z123/datacollector,kunickiaj/datacollector