M2.1 SOAP WSDL Xml Entities double escaped

[davidverholen]

Preconditions

1. Install Magento from 2.1 branch.

Steps to reproduce

1. Install Magento from 2.1 branch.
2. Call http://magento_host/soap/default?wsdl_list=1

Expected result

...

<item>
    <wsdl_endpoint>http://magento_host/soap/default?wsdl&amp;services=0</wsdl_endpoint>
  </item>

...

Actual result

the '&' is double escaped
...

<item>
    <wsdl_endpoint>http://magento_host/soap/default?wsdl&amp;amp;services=0</wsdl_endpoint>
  </item>

...

might be a duplicate of #2206
if so, will this be fixed in the next 2.1 release?

[magento-engcom-team]

@davidverholen, thank you for your report.
We were not able to reproduce this issue by following the steps you provided. If you'd like to update it, please reopen the issue.
We tested the issue on 2.3.0, 2.2.0, 2.1.9