15ccf5eb_TestNG_Command_Line_Parameters_Documentation
[Option] -xmlpathinjar [Argument] The path of the XML file inside the jar file. [Documentation] 
This attribute should contain the path to a valid XML file inside the test jar (e.g. "resources/testng.xml"). The default is "testng.xml", which means a file called "testng.xml" at the root of the jar file. This option will be ignored unless -testjar is specified.
TestNG
Documentation