Increase timeout of SCT tests to 600 ns.
http://atlas-computing.web.cern.ch/atlas-computing/links/distDirectory/gitwww/MASTERWebArea/nicos_web_areamaster_Athena_x86_64slc6gcc8opt64BS6G8AthenaOpt/NICOS_TestLog_2019-04-14T2148/InnerDetector_InDetConditions_SCT_ConditionsAlgorithms___SCT_ConditionsAlgorithmsConf__SCT_ConditionsAlgorithmsTest__m.html
http://atlas-computing.web.cern.ch/atlas-computing/links/distDirectory/gitwww/MASTERWebArea/nicos_web_areamaster_Athena_x86_64centos7gcc8opt64BC7G8AthenaOpt/NICOS_TestLog_2019-04-14T2139/InnerDetector_InDetDetDescr_SCT_ModuleDistortions___SCT_ModuleDistortionsConf__SCT_ModuleDistortionsTest__m.html