test: added performance profile|

Author: timcadman

tests/testthat/perf_files/performance_refactor_profile.csv

@@ -0,0 +1,5 @@
+"refer_name","rate","lower_tolerance","upper_tolerance"
+"meanDS::perf::numeric::0","11557.1204746495","0.5","10000"
+"meanDS::perf::numberAndNA::0","11718.8520447749","0.5","10000"
+"varDS::perf::numeric::0","12758.5511531009","0.5","10000"
+"varDS::perf::numberAndNA::0","12545.8819532662","0.5","10000"