Paul Yang de9e1a04a6 Add ruby 2.6 test (#5528) %!s(int64=6) %!d(string=hai) anos
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build.sh de9e1a04a6 Add ruby 2.6 test (#5528) %!s(int64=6) %!d(string=hai) anos
continuous.cfg de9e1a04a6 Add ruby 2.6 test (#5528) %!s(int64=6) %!d(string=hai) anos
presubmit.cfg de9e1a04a6 Add ruby 2.6 test (#5528) %!s(int64=6) %!d(string=hai) anos