For tests produced with options(covr.record_tests)
, prune any unused
records in the $tests$tally matrices of each trace and get rid of the
wrapping $tests environment (reassigning with value of $tests$tally)
as_coverage_with_tests(counters)
An environment of covr trace results to convert to a coverage
object. If counters
is not provided, the covr
namespace value
.counters
is used.