From 5eff2d7839fab0f17bbf8513e06c119adc946eb9 Mon Sep 17 00:00:00 2001
From: Garrett Beatty <gcbeatty@amazon.com>
Date: Thu, 6 Nov 2025 16:03:23 -0500
Subject: [PATCH] Fix Unit test

---
 .../Custom/MultipartUploadValidationTests.cs         | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sdk/test/Services/S3/UnitTests/Custom/MultipartUploadValidationTests.cs b/sdk/test/Services/S3/UnitTests/Custom/MultipartUploadValidationTests.cs
index 19ea71304c8f..9f0a6e4dc024 100644
--- a/sdk/test/Services/S3/UnitTests/Custom/MultipartUploadValidationTests.cs
+++ b/sdk/test/Services/S3/UnitTests/Custom/MultipartUploadValidationTests.cs
@@ -69,6 +69,18 @@ public async Task Validation_HappyPath()
                     return new UploadPartResponse { PartNumber = request.PartNumber };
                 });
 
+            s3Client
+                .Setup(x => x.CompleteMultipartUploadAsync(
+                    It.IsAny<CompleteMultipartUploadRequest>(),
+                    It.IsAny<CancellationToken>()))
+                .ReturnsAsync(new CompleteMultipartUploadResponse
+                {
+                    BucketName = "test-bucket",
+                    Key = "test",
+                    ETag = "test-etag",
+                    Location = "https://test-bucket.s3.amazonaws.com/test"
+                });
+
             var uploadRequest = new TransferUtilityUploadRequest
             {
                 FilePath = _tempFilePath,