Update to match strings output by lldb.

llvm-svn: 218853
diff --git a/lldb/test/functionalities/platform/TestPlatformCommand.py b/lldb/test/functionalities/platform/TestPlatformCommand.py
index e1ea937..ab88b25 100644
--- a/lldb/test/functionalities/platform/TestPlatformCommand.py
+++ b/lldb/test/functionalities/platform/TestPlatformCommand.py
@@ -20,7 +20,7 @@
 
     def test_process_list(self):
         self.expect("platform process list",
-            substrs = ['PID', 'ARCH', 'NAME'])
+            substrs = ['PID', 'TRIPLE', 'NAME'])
 
     def test_process_info_with_no_arg(self):
         """This is expected to fail and to return a proper error message."""