Added another string category test
Added another string category test

SuPair/sstoolkit,samsoffes/sstoolkit,Amnysia/SSToolkit,sideci-sample/sideci-sample-sstoolkit,zilaiyedaren/sstoolkit,zjh171/sstoolkit,soffes/sstoolkit,TDness/sstoolkit,rtsbtx/sstoolkit,andaluz/sstoolkit,Amnysia/SSToolkit,cobook/sstoolkit,lijie121210/sstoolkit,samsoffes/sstoolkit,k131050059/sstoolkit,carabina/sstoolkit