I'm not sure, if HTTP method PATCH supported by Validator.
Could somebody confirm (or decline) it?

I tried to create test case with PATCH operation.

06/18/2017 23:54:20 INFO: ADAP - token: assertPostResults (contains case ignore) - form data: {} raw data: {
"params": {
"mods": [
{
"attribute": "mail",
"type": "DELETE",
"values": []
}
]
}
}
06/18/2017 23:54:20 INFO: ADAP - token: assertPostResults (contains case ignore) - expected results: 200
06/18/2017 23:54:20 INFO: Response: Invalid HTTP method: PATCH
06/18/2017 23:54:20 INFO: ADAP - token: assertPostResults() - retry 1 of 2
06/18/2017 23:54:21 INFO: Response: Invalid HTTP method: PATCH
06/18/2017 23:54:21 INFO: ADAP - token: assertPostResults() - retry 2 of 2
06/18/2017 23:54:22 INFO: Response: Invalid HTTP method: PATCH
06/18/2017 23:54:22 INFO: Error while executing action method assertPostResults: junit.framework.AssertionFailedError:
I have no issue to run same PATCH operation (with exactly same parameters) from Advanced REST Client (Chrome Extension).