Fix and enable Hive to polaris migration test (#35)

Author: ajantha-bhat

iceberg-catalog-migrator/README.md

@@ -218,6 +218,10 @@ java -jar iceberg-catalog-migrator-cli-0.0.1.jar migrate \
 --target-catalog-properties uri=http://localhost:60904/api/catalog,warehouse=test,token=$TOKEN
 ```
 
+Note: Need to configure `ALLOW_UNSTRUCTURED_TABLE_LOCATION` property at the polaris server side as
+HMS creates a namespace folder with ".db" extension. Also need to configure `allowedLocations` to be 
+source catalog directory in `storage_configuration_info`.
+
 ## Migrate all tables from DYNAMODB catalog to Polaris catalog
 ```shell
 java -jar iceberg-catalog-migrator-cli-0.0.1.jar migrate \

iceberg-catalog-migrator/cli/src/test/java/org/apache/polaris/iceberg/catalog/migrator/cli/ITHiveToPolarisCLIMigrationTest.java

@@ -26,10 +26,8 @@
 import org.apache.polaris.iceberg.catalog.migrator.api.CatalogMigrationUtil;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.extension.RegisterExtension;
 
-@Disabled("Because of https://github.com/apache/polaris/issues/2756")
 public class ITHiveToPolarisCLIMigrationTest extends AbstractCLIMigrationTest {
 
   @RegisterExtension

iceberg-catalog-migrator/cli/src/test/java/org/apache/polaris/iceberg/catalog/migrator/cli/PolarisContainer.java

@@ -68,6 +68,7 @@ public void start() {
     jvmOptions.put("polaris.readiness.ignore-severe-issues", "true");
     jvmOptions.put("polaris.features.\"SUPPORTED_CATALOG_STORAGE_TYPES\"", "[\"FILE\"]");
     jvmOptions.put("polaris.features.\"ALLOW_INSECURE_STORAGE_TYPES\"", "true");
+    jvmOptions.put("polaris.features.\"ALLOW_UNSTRUCTURED_TABLE_LOCATION\"", "true");
     String jvmOptionsString =
         jvmOptions.entrySet().stream()
             .map(e -> "-D" + e.getKey() + "=" + e.getValue())