build in a container on Linux to preserve backward compatibility

Author: duncanpo

test/utils/terminateProcess.m

@@ -20,7 +20,9 @@ function terminateProcess(testCase, process, terminatecmd)
     end
     pause(2);  % give a little time for the collector to shut down
     system(testCase.ListPid(process) + " > " + testCase.PidFile);
+    type(testCase.PidFile);
     tbl = testCase.ReadPidList(testCase.PidFile);
+    tbl.Properties.VariableNames
     pid = testCase.ExtractPid(tbl);
     retry = retry + 1;
 end