Fix HostMetadataIT by enabling unified host metadata resolution

The test was failing because experimentalIsUnifiedHost was not set,
causing tryResolveHostMetadata() to skip the well-known endpoint call.

Co-authored-by: Isaac

Author: hectorcast-db

databricks-sdk-java/src/test/java/com/databricks/sdk/integration/HostMetadataIT.java

@@ -22,7 +22,8 @@ public class HostMetadataIT {
 
   @Test
   void testResolvePopulatesFieldsFromMetadata(@EnvOrSkip("DATABRICKS_HOST") String host) {
-    DatabricksConfig config = new DatabricksConfig().setHost(host);
+    DatabricksConfig config =
+        new DatabricksConfig().setHost(host).setExperimentalIsUnifiedHost(true);
     config.resolve();
 
     LOG.info(