add new array of gas traces and add source for rtc request

matlab/tests/test_requestnames.m

@@ -41,7 +41,7 @@ classdef (SharedTestFixtures={...
           shot = 81102;
           gdat_call = sprintf(['gdat_' lower(testCase.Machine) '(%s,''%s'')'],shot,request);
         case {'mpx', 'xte'}
-          % need a older shot
+          % need an older shot
           shot = 65555;
           gdat_call = sprintf(['gdat_' lower(testCase.Machine) '(%s,''%s'')'],shot,request);
       end