Try a different approach to this test and check some non-leaf functions in the returned text - looks like we're running into problems getting the leaf function out of the stack trace on that platform (which is probably fine): https://source.cloud.google.com/results/invocations/09e8e1ea-df48-4fdb-96dd-916bd5014f90/targets/%2F%2Ftest%2Fcore%2Fgprpp:examine_stack_test/tests Needed to unblock https://github.com/grpc/grpc/pull/32748 <!-- If you know who should review your pull request, please assign it to that person, otherwise the pull request would get assigned randomly. If your pull request is for a specific language, please add the appropriate lang label. -->