Update tests to account for CLDR and JDK 23 (#113931)

Backport a fix from #110222

Author: thecoop

server/src/test/java/org/elasticsearch/common/joda/JavaJodaTimeDuellingTests.java

@@ -42,8 +42,8 @@ protected boolean enableWarningsCheck() {
     @BeforeClass
     public static void checkJvmProperties() {
         boolean runtimeJdk8 = JavaVersion.current().getVersion().get(0) == 8;
-        assert (runtimeJdk8 && ("SPI,JRE".equals(System.getProperty("java.locale.providers"))))
-            || (false == runtimeJdk8 && ("SPI,COMPAT".equals(System.getProperty("java.locale.providers"))))
+        assert (runtimeJdk8 && (System.getProperty("java.locale.providers", "").equals("SPI,JRE")))
+            || (false == runtimeJdk8 && (System.getProperty("java.locale.providers", "").contains("SPI")))
             : "`-Djava.locale.providers` needs to be set";
         assumeFalse(
             "won't work in jdk8 " + "because SPI mechanism is not looking at classpath - needs ISOCalendarDataProvider in jre's ext/libs",

server/src/test/java/org/elasticsearch/index/mapper/DateFieldMapperTests.java

@@ -188,10 +188,10 @@ public void testChangeLocale() throws IOException {
         assumeTrue("need java 9 for testing ", JavaVersion.current().compareTo(JavaVersion.parse("9")) >= 0);
 
         DocumentMapper mapper = createDocumentMapper(
-            fieldMapping(b -> b.field("type", "date").field("format", "E, d MMM yyyy HH:mm:ss Z").field("locale", "de"))
+            fieldMapping(b -> b.field("type", "date").field("format", "E, d MMM yyyy HH:mm:ss Z").field("locale", "fr"))
         );
 
-        mapper.parse(source(b -> b.field("field", "Mi, 06 Dez 2000 02:55:00 -0800")));
+        mapper.parse(source(b -> b.field("field", "mer., 6 déc. 2000 02:55:00 -0800")));
     }
 
     public void testNullValue() throws IOException {