Optional
atOptional
bailOptional
diagnosticOptional
diffOptional
doOptional
errorOptional
errorOptional
expiredOptional
foundOptional
messageOptional
patternOptional
skipOptional
sourceOptional
stackOptional
tapOptional
testOptional
todoOptional
typeOptional
wanted
The extra info passed to assertions.
Extended by BaseOpts, TestBaseOpts, and ultimately TestOpts, since any subtest is also an assertion, and can take all the same assertion options.