diff --git a/bundles/aliyun-bundle/src/main/java/org/apache/gravitino/oss/fs/OSSFileSystemProvider.java b/bundles/aliyun-bundle/src/main/java/org/apache/gravitino/oss/fs/OSSFileSystemProvider.java
index b7a6ccec94..b47d25335c 100644
--- a/bundles/aliyun-bundle/src/main/java/org/apache/gravitino/oss/fs/OSSFileSystemProvider.java
+++ b/bundles/aliyun-bundle/src/main/java/org/apache/gravitino/oss/fs/OSSFileSystemProvider.java
@@ -18,6 +18,7 @@
  */
 package org.apache.gravitino.oss.fs;
 
+import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableMap;
 import java.io.IOException;
 import java.util.Map;
@@ -40,6 +41,8 @@ public class OSSFileSystemProvider implements FileSystemProvider {
   // For example, User can use oss-endpoint to set the endpoint of OSS 'fs.oss.endpoint' in
   // Gravitino.
   // GCS and S3 also have similar mapping relationship.
+
+  @VisibleForTesting
   public static final Map<String, String> GRAVITINO_KEY_TO_OSS_HADOOP_KEY =
       ImmutableMap.of(
           OSSProperties.GRAVITINO_OSS_ENDPOINT, Constants.ENDPOINT_KEY,
diff --git a/bundles/aws-bundle/src/main/java/org/apache/gravitino/s3/fs/S3FileSystemProvider.java b/bundles/aws-bundle/src/main/java/org/apache/gravitino/s3/fs/S3FileSystemProvider.java
index 8d902e1258..b61e9d14f6 100644
--- a/bundles/aws-bundle/src/main/java/org/apache/gravitino/s3/fs/S3FileSystemProvider.java
+++ b/bundles/aws-bundle/src/main/java/org/apache/gravitino/s3/fs/S3FileSystemProvider.java
@@ -19,6 +19,7 @@
 
 package org.apache.gravitino.s3.fs;
 
+import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableMap;
 import java.io.IOException;
 import java.util.Map;
@@ -33,6 +34,7 @@
 
 public class S3FileSystemProvider implements FileSystemProvider {
 
+  @VisibleForTesting
   public static final Map<String, String> GRAVITINO_KEY_TO_S3_HADOOP_KEY =
       ImmutableMap.of(
           S3Properties.GRAVITINO_S3_ENDPOINT, Constants.ENDPOINT,
diff --git a/bundles/gcp-bundle/src/main/java/org/apache/gravitino/gcs/fs/GCSFileSystemProvider.java b/bundles/gcp-bundle/src/main/java/org/apache/gravitino/gcs/fs/GCSFileSystemProvider.java
index be602c958d..a07ff3d6ec 100644
--- a/bundles/gcp-bundle/src/main/java/org/apache/gravitino/gcs/fs/GCSFileSystemProvider.java
+++ b/bundles/gcp-bundle/src/main/java/org/apache/gravitino/gcs/fs/GCSFileSystemProvider.java
@@ -19,6 +19,7 @@
 package org.apache.gravitino.gcs.fs;
 
 import com.google.cloud.hadoop.fs.gcs.GoogleHadoopFileSystem;
+import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.ImmutableMap;
 import java.io.IOException;
 import java.util.Map;
@@ -36,6 +37,7 @@ public class GCSFileSystemProvider implements FileSystemProvider {
   private static final String GCS_SERVICE_ACCOUNT_JSON_FILE =
       "fs.gs.auth.service.account.json.keyfile";
 
+  @VisibleForTesting
   public static final Map<String, String> GRAVITINO_KEY_TO_GCS_HADOOP_KEY =
       ImmutableMap.of(GCSProperties.GCS_SERVICE_ACCOUNT_JSON_PATH, GCS_SERVICE_ACCOUNT_JSON_FILE);