For response has body and no `content-type` header, try to parse the body using xml format.

ChangeLog.md

@@ -8,6 +8,7 @@ ALL
 * Fixed the issue that `BatchOperation` doesn't support socket reuse for some node versions.
 * Fixed the issue that `BatchOperation` request pool size is too big when the socket reuse is supported.
 * Added empty headers to string-to-sign.
+* For response has body and no `content-type` header, try to parse the body using xml format.
 
 BLOB
 * Added support for large block blob. 

lib/common/services/storageserviceclient.js

@@ -846,7 +846,8 @@ StorageServiceClient._parseResponse = function (response, xml2jsSettings, option
       } else if (contentType.indexOf('text/html') !== -1) {
         response.body = response.body;
       } else {
-        throw new SyntaxError(SR.CONTENT_TYPE_MISSING, null);
+        response.body = parseXml(response.body);
+        // throw new SyntaxError(SR.CONTENT_TYPE_MISSING, null);
       }
     } catch (e) {
       response.error = e;