Created a method that emulates isinsntace for aggregation

4 jobs for isinstance_nested in 11 minutes and 50 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Build
passed build_linux_36 #200898
docker

00:03:58

passed build_linux_37 #200899
docker

00:03:49

passed build_macosx_36 #200896
macosx

00:11:49

passed build_macosx_37 #200897
macosx

00:11:40