diff --git a/presto-iceberg/src/test/java/com/facebook/presto/iceberg/IcebergQueryRunner.java b/presto-iceberg/src/test/java/com/facebook/presto/iceberg/IcebergQueryRunner.java
index 217522ea721a6..c27ed00acbc81 100644
--- a/presto-iceberg/src/test/java/com/facebook/presto/iceberg/IcebergQueryRunner.java
+++ b/presto-iceberg/src/test/java/com/facebook/presto/iceberg/IcebergQueryRunner.java
@@ -255,8 +255,8 @@ public IcebergQueryRunner build()
                 }
             }
             else {
-                queryRunner.execute("CREATE SCHEMA tpch");
-                queryRunner.execute("CREATE SCHEMA tpcds");
+                queryRunner.execute("CREATE SCHEMA IF NOT EXISTS tpch");
+                queryRunner.execute("CREATE SCHEMA IF NOT EXISTS tpcds");
             }
 
             if (createTpchTables) {
diff --git a/presto-native-execution/README.md b/presto-native-execution/README.md
index 5617ab2510676..a27c657a2c11e 100644
--- a/presto-native-execution/README.md
+++ b/presto-native-execution/README.md
@@ -205,15 +205,14 @@ Run IcebergExternalWorkerQueryRunner,
   * Main class: `com.facebook.presto.nativeworker.IcebergExternalWorkerQueryRunner`.
   * VM options: `-ea -Xmx5G -XX:+ExitOnOutOfMemoryError -Duser.timezone=America/Bahia_Banderas -Dhive.security=legacy`.
   * Working directory: `$MODULE_DIR$`
-  * Environment variables: `PRESTO_SERVER=/Users/<user>/git/presto/presto-native-execution/cmake-build-debug/presto_cpp/main/presto_server;DATA_DIR=/Users/<user>/Desktop/data;WORKER_COUNT=0`
-    * When `addStorageFormatToPath = false` **(Default)**,
-
-      `$DATA_DIR/iceberg_data/<catalog_type>`. Here `catalog_type` could be `HIVE | HADOOP | NESSIE | REST`.
-
-      `addStorageFormatToPath` is `false` by default because Java `HiveQueryRunner` and `IcebergQueryRunner` do not add the file format to the path.
-    * When `addStorageFormatToPath = true`,
-
-      `$DATA_DIR/iceberg_data/<file_format>/<catalog_type>`. Here `file_format` could be `PARQUET | ORC | AVRO` and `catalog_type` could be `HIVE | HADOOP | NESSIE | REST`.
+  * Environment variables:
+    - PRESTO_SERVER: Absolute path to the native worker binary. For example: `/Users/<user>/git/presto/presto-native-execution/cmake-build-debug/presto_cpp/main/presto_server`
+    - DATA_DIR: Base data directory for test data and catalog warehouses. For example: `/Users/<user>/Desktop/data`
+    - WORKER_COUNT: Number of native workers to launch (default: 4)
+    - CATALOG_TYPE: Iceberg catalog type to use. One of `HADOOP | HIVE` (default: `HIVE`)
+
+    Example:
+    `PRESTO_SERVER=/Users/<user>/git/presto/presto-native-execution/cmake-build-debug/presto_cpp/main/presto_server;DATA_DIR=/Users/<user>/Desktop/data;WORKER_COUNT=1;CATALOG_TYPE=HIVE`
   * Use classpath of module: choose `presto-native-execution` module.
 
 Run NativeSidecarPluginQueryRunner:
diff --git a/presto-native-execution/src/test/java/com/facebook/presto/nativeworker/PrestoNativeQueryRunnerUtils.java b/presto-native-execution/src/test/java/com/facebook/presto/nativeworker/PrestoNativeQueryRunnerUtils.java
index e287ef7e0cb20..6ba589ad85c62 100644
--- a/presto-native-execution/src/test/java/com/facebook/presto/nativeworker/PrestoNativeQueryRunnerUtils.java
+++ b/presto-native-execution/src/test/java/com/facebook/presto/nativeworker/PrestoNativeQueryRunnerUtils.java
@@ -24,6 +24,7 @@
 import com.facebook.presto.hive.metastore.Storage;
 import com.facebook.presto.hive.metastore.StorageFormat;
 import com.facebook.presto.hive.metastore.Table;
+import com.facebook.presto.iceberg.CatalogType;
 import com.facebook.presto.iceberg.FileFormat;
 import com.facebook.presto.iceberg.IcebergQueryRunner;
 import com.facebook.presto.spi.PrestoException;
@@ -44,6 +45,7 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -309,6 +311,10 @@ public static class IcebergQueryRunnerBuilder
         private Path dataDirectory = nativeQueryRunnerParameters.dataDirectory;
         private String serverBinary = nativeQueryRunnerParameters.serverBinary.toString();
         private Integer workerCount = nativeQueryRunnerParameters.workerCount.orElse(4);
+        private CatalogType catalogType = Optional
+                .ofNullable(nativeQueryRunnerParameters.runnerParameters.get("iceberg.catalog.type"))
+                .map(v -> CatalogType.valueOf(v.toUpperCase()))
+                .orElse(CatalogType.HIVE);
         private Integer cacheMaxSize = 0;
         private String storageFormat = ICEBERG_DEFAULT_STORAGE_FORMAT;
         private Map<String, String> extraProperties = new HashMap<>();
@@ -379,6 +385,7 @@ public QueryRunner build()
                     .setAddStorageFormatToPath(addStorageFormatToPath)
                     .setDataDirectory(Optional.of(dataDirectory))
                     .setTpcdsProperties(getNativeWorkerTpcdsProperties())
+                    .setCatalogType(catalogType)
                     .build().getQueryRunner();
         }
     }
@@ -452,7 +459,13 @@ public static NativeQueryRunnerParameters getNativeQueryRunnerParameters()
         assertTrue(Files.exists(dataDirectory), format("Data directory at %s is missing. Add -DDATA_DIR=<path/to/data> to your JVM arguments to specify the path", dataDirectory));
         log.info("using DATA_DIR at %s", dataDirectory);
 
-        return new NativeQueryRunnerParameters(prestoServerPath, dataDirectory, workerCount);
+        Map<String, String> runnerParams = new HashMap<>();
+        getProperty("CATALOG_TYPE").ifPresent(v -> {
+            runnerParams.put("iceberg.catalog.type", v.toUpperCase());
+            log.info("using CATALOG_TYPE %s", v.toUpperCase());
+        });
+
+        return new NativeQueryRunnerParameters(prestoServerPath, dataDirectory, workerCount, runnerParams);
     }
 
     public static Optional<BiFunction<Integer, URI, Process>> getExternalWorkerLauncher(
@@ -569,12 +582,14 @@ public static class NativeQueryRunnerParameters
         public final Path serverBinary;
         public final Path dataDirectory;
         public final Optional<Integer> workerCount;
+        public final Map<String, String> runnerParameters;
 
-        public NativeQueryRunnerParameters(Path serverBinary, Path dataDirectory, Optional<Integer> workerCount)
+        public NativeQueryRunnerParameters(Path serverBinary, Path dataDirectory, Optional<Integer> workerCount, Map<String, String> runnerParameters)
         {
             this.serverBinary = requireNonNull(serverBinary, "serverBinary is null");
             this.dataDirectory = requireNonNull(dataDirectory, "dataDirectory is null");
             this.workerCount = requireNonNull(workerCount, "workerCount is null");
+            this.runnerParameters = Collections.unmodifiableMap(new HashMap<>(requireNonNull(runnerParameters, "runnerParameters is null")));
         }
     }