fallback_expect_no_error
                        Expect no Error
test_examples_as_testthat
                        Execute examples from Rd files as 'testthat'
                        tests
testex                  A syntactic helper for writing quick and easy
                        example tests
testex-roxygen-tags     'testex' 'roxygen2' tags
testex-testthat         Support for 'testthat' Expectations
use_testex              Add 'testex' tags and configure package to
                        fully use 'testex' features
use_testex_as_testthat
                        Run examples as 'testthat' expectations
uses_roxygen2           Checks for use of 'roxygen2'
with_attached           Temporarily attach a namespace
with_srcref             Raise 'testthat' Expectations With A Known
                        Source Reference
