Cause is tracked in #49094 (#56887)

x-pack/plugin/watcher/src/test/java/org/elasticsearch/xpack/watcher/actions/email/EmailSslTests.java

@@ -76,6 +76,7 @@ public class EmailSslTests extends ESTestCase {
     }
 
     public void testFailureSendingMessageToSmtpServerWithUntrustedCertificateAuthority() throws Exception {
+        assumeFalse("https://github.com/elastic/elasticsearch/issues/49094", inFipsJvm());
         final Settings.Builder settings = Settings.builder();
         final MockSecureSettings secureSettings = new MockSecureSettings();
         final ExecutableEmailAction emailAction = buildEmailAction(settings, secureSettings);