This reporter will simply throw an error if any of the tests failed. It is best combined with another reporter, such as the SummaryReporter.
FailReporterAn object of class R6ClassGenerator of length 24.
Other reporters: CheckReporter,
DebugReporter, ListReporter,
LocationReporter,
MinimalReporter,
MultiReporter,
ProgressReporter, Reporter,
RstudioReporter,
SilentReporter, StopReporter,
SummaryReporter, TapReporter,
TeamcityReporter