This reporter is useful to use several reporters at the same time, e.g.
adding a custom reporter without removing the current one.
See also
Other reporters:
CheckReporter,
DebugReporter,
FailReporter,
JunitReporter,
ListReporter,
LocationReporter,
MinimalReporter,
ProgressReporter,
RStudioReporter,
Reporter,
SilentReporter,
StopReporter,
SummaryReporter,
TapReporter,
TeamcityReporter
