15ccf5eb_TestNG_Command_Line_Parameters_Documentation
[Option] -suitename [Argument] The default name to use for a test suite. [Documentation] 
This specifies the suite name for a test suite defined on the command line. This option is ignored if the suite.xml file or the source code specifies a different suite name. It is possible to create a suite name with spaces in it if you surround it with double-quotes "like this".
TestNG
Documentation