test: send the location constraint when creating buckets outside us-east-1

tests/rest_scripts/create_bucket.sh

@@ -67,6 +67,9 @@ create_canonical_hash_sts_and_signature
 curl_command+=(curl -ks -w "%{http_code}" -X PUT "$AWS_ENDPOINT_URL/$bucket_name")
 curl_command+=(-H "\"Authorization: AWS4-HMAC-SHA256 Credential=$aws_access_key_id/$year_month_day/$aws_region/s3/aws4_request,SignedHeaders=$param_list,Signature=$signature\"")
 curl_command+=("${header_fields[@]}")
+if [ "$aws_region" != "us-east-1" ]; then
+  curl_command+=(-d "\"<CreateBucketConfiguration><LocationConstraint>$aws_region</LocationConstraint></CreateBucketConfiguration>\"")
+fi
 curl_command+=(-o "$OUTPUT_FILE")
 # shellcheck disable=SC2154
 eval "${curl_command[*]}" 2>&1