V6.3.5 dev feat/testthat rework#620

StuartWheater merged 5 commits intov6.3.5-devdatashield/dsBaseClient:v6.3.5-devfrom

v6.3.5-dev-feat/testthat-reworkdatashield/dsBaseClient:v6.3.5-dev-feat/testthat-reworkCopy head branch name to clipboard