We want to ensure -fuzzer passes tests, except for the tests it
intentionally fails on. This ensures that we don't lose our ability to
refresh the fuzzer transcripts.
Change-Id: I761856c30379a3934fd46a24627ef8415b136f93
Reviewed-on: https://boringssl-review.googlesource.com/11221
Reviewed-by: Adam Langley <agl@google.com>
