private Stream<String> logsForClient() throws IOException {
    return Files.lines(clientLogFile);
  }
This test verifies that rotating to an untrusted certificate causes an exception when the
client tries to form a new secure connection. This is a sanity check that certificates are
being dynamically updated.
geode-assembly/src/acceptanceTest/java/org/apache/geode/ssl/CertificateRotationTest.java