fix compile

Author: rjernst

modules/lang-painless/spi/src/test/java/org/elasticsearch/painless/WhitelistLoaderTests.java

@@ -132,7 +132,7 @@ public void testMissingWhitelistResourceInModule() throws Exception {
         JarUtils.createJarWithEntries(jar, jarEntries);
 
         try (var loader = JarUtils.loadJar(jar)) {
-            Controller controller = JarUtils.loadModule(jar, loader.classloader(), "m");
+            Controller controller = JarUtils.loadModule(jar, loader, "m");
             Module module = controller.layer().findModule("m").orElseThrow();
 
             Class<?> ownerClass = module.getClassLoader().loadClass("p.TestOwner");

server/src/test/java/org/elasticsearch/plugins/ExtensionLoaderTests.java

@@ -78,7 +78,7 @@ public void testNoProvider() {
     public void testOneProvider() throws Exception {
         Map<String, CharSequence> sources = Map.of("p.FooService", defineProvider("FooService", 1));
         try (var loader = buildProviderJar(sources)) {
-            TestService service = ExtensionLoader.loadSingleton(ServiceLoader.load(TestService.class, loader.classloader()))
+            TestService service = ExtensionLoader.loadSingleton(ServiceLoader.load(TestService.class, loader))
                 .orElseThrow(AssertionError::new);
             assertThat(service, not(nullValue()));
             assertThat(service.getValue(), equalTo(1));
@@ -95,7 +95,7 @@ public void testManyProviders() throws Exception {
         try (var loader = buildProviderJar(sources)) {
             var e = expectThrows(
                 IllegalStateException.class,
-                () -> ExtensionLoader.loadSingleton(ServiceLoader.load(TestService.class, loader.classloader()))
+                () -> ExtensionLoader.loadSingleton(ServiceLoader.load(TestService.class, loader))
             );
             assertThat(e.getMessage(), containsString("More than one extension found"));
             assertThat(e.getMessage(), containsString("TestService"));