Test environments

• local Fedora 34 with R version 4.0.5
• CentOS-release-7-9.2009.1.el7.centos.x86_64 with R version 3.6.0
• R-hub: Windows Server 2008 R2 SP1, R-devel, 32/64 bit
• R-hub: Ubuntu Linux 20.04.1 LTS, R-release, GCC
• R-hub: Fedora Linux, R-devel, clang, gfortran
• github workflow on Windows with R 4.1.1 and 4.0.5
• github workflow on macOS with R 4.0.5
• github workflow on Ubuntu with R 4.0.5

Check results on all platforms

0 errors ✓ | 0 warnings ✓ | 0 notes ✓

Notes

• Tests might be slightly slow sometimes because it's a web service client library and avoiding a mock web server still seems preferable.
• In 0.7.1, I've replaced most donttests with dontruns because otherwise I cannot guarantee that checks with --run-donttest pass in time.