- AppVeyor
- Travis
- spelling
- manual tests
  - `tests/testthat/test-interactive.R`
  - `tests/testthat/test-keras.R`
- `devtools::run_examples(run = FALSE)`
- `devtools::run_examples(run = TRUE)`
- Regular tests with `tests/testthat/helper-operators.R` activated.
- regular tests R 3.3.0.
- test suite without Suggests packages in R 3.3.0.
- `goodpractice`
- HPC test suite on SGE.
- `tests/scenarios` on Mac, Linux, and Windows
- Update the version in the `DESCRIPTION` and in `NEWS.md`.
- AppVeyor and Travis on the GitHub release.
- Win Builder on gz file release.
