fix test

Author: sbiscigl

tests/aws-cpp-sdk-s3-integration-tests/BucketAndObjectOperationTest.cpp

@@ -1936,6 +1936,7 @@ namespace
         TagTestBucket(fullBucketName, Client);
 
         ClientConfiguration config;
+        config.region = Aws::Region::US_EAST_1;
         config.checksumConfig.requestChecksumCalculation = RequestChecksumCalculation::WHEN_REQUIRED;
         const S3Client whenRequiredClient{config};