[8.15] More unsupported locales in Kerberos tests (elastic#113354) (elastic#117237)

* More unsupported locales in Kerberos tests (elastic#113354)

This PR adds two more locales to the unsupported set. I got a complete
list this time by running through all locales.

Relates: elastic#112582 Resolves:
elastic#112631 Resolves:
elastic#112632 Resolves:
elastic#112639
(cherry picked from commit ae15772)

# Conflicts:
#	muted-tests.yml
#	x-pack/qa/evil-tests/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java

* fixup! Merge issue

---------

Co-authored-by: Nikolaj Volgushev <[email protected]>

Author: jfreden

muted-tests.yml

@@ -63,15 +63,6 @@ tests:
 - class: org.elasticsearch.upgrades.FullClusterRestartIT
   method: testSnapshotRestore {cluster=UPGRADED}
   issue: https://github.com/elastic/elasticsearch/issues/111798
-- class: org.elasticsearch.xpack.security.authc.kerberos.KerberosTicketValidatorTests
-  method: testValidKebrerosTicket
-  issue: https://github.com/elastic/elasticsearch/issues/112632
-- class: org.elasticsearch.xpack.security.authc.kerberos.KerberosTicketValidatorTests
-  method: testKerbTicketGeneratedForDifferentServerFailsValidation
-  issue: https://github.com/elastic/elasticsearch/issues/112639
-- class: org.elasticsearch.xpack.security.authc.kerberos.KerberosTicketValidatorTests
-  method: testWhenKeyTabWithInvalidContentFailsValidation
-  issue: https://github.com/elastic/elasticsearch/issues/112631
 - class: org.elasticsearch.xpack.ml.integration.ClassificationIT
   method: testDeleteExpiredData_RemovesUnusedState
   issue: https://github.com/elastic/elasticsearch/issues/116234

x-pack/qa/evil-tests/src/test/java/org/elasticsearch/xpack/security/authc/kerberos/KerberosTestCase.java

@@ -62,7 +62,7 @@ public abstract class KerberosTestCase extends ESTestCase {
      *
      * Note: several unsupported locales were added in CLDR. #109670 included these below.
      */
-    private static Set<String> UNSUPPORTED_LOCALE_LANGUAGES = Set.of(
+    private static final Set<String> UNSUPPORTED_LOCALE_LANGUAGES = Set.of(
         "ar",
         "ja",
         "th",
@@ -87,7 +87,10 @@ public abstract class KerberosTestCase extends ESTestCase {
         "mni",
         "sat",
         "sa",
-        "bgc"
+        "bgc",
+        "raj",
+        "nqo",
+        "bho"
     );
 
     @BeforeClass