This is caught by vmTestbase_nsk_jvmti:

$ CONF=linux-x86_64-server-fastdebug make images run-test TEST=vmTestbase/nsk/jvmti/IterateThroughHeap/concrete-klass-filter/ TEST_VM_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC"

STDOUT:
The following fake exception stacktrace is for failure analysis.
nsk.share.Fake_Exception_for_RULE_Creation: (ConcreteKlassFilter.cpp:183) TestClass instance field was not found.
at nsk_lvcomplain(nsk_tools.cpp:172)
# ERROR: ConcreteKlassFilter.cpp, 183: TestClass instance field was not found.