Reformated ref perf value

Author: StuartWheater

tests/testthat/perf_files/armadillo_hp-laptop_quay.csv

@@ -0,0 +1,14 @@
+"refer_name","rate","lower_tolerance","upper_tolerance"
+"conndisconn::perf::simple0","0.05471","0.5","2"
+"ds.abs::perf::0","0.5769","0.5","2"
+"ds.asInteger::perf:0","0.6371","0.5","2"
+"ds.asList::perf:0","1.296","0.5","2"
+"ds.asNumeric::perf:0","0.6456","0.5","2"
+"ds.assign::perf::0","1.349","0.5","2"
+"ds.class::perf::combine:0","1.490","0.5","2"
+"ds.colnames::perf:0","0.9683","0.5","2"
+"ds.exists::perf::combine:0","2.999","0.5","2"
+"ds.length::perf::combine:0","2.963","0.5","2"
+"ds.mean::perf::combine:0","2.976","0.5","2"
+"ds.mean::perf::split:0","2.758","0.5","2"
+"void::perf::void::0","23050","0.5","2"