XTIMEOUT TestChangeProcessGroup for Linux.

llvm-svn: 245477
diff --git a/lldb/test/dosep.py b/lldb/test/dosep.py
index 1233a96..639bea5 100755
--- a/lldb/test/dosep.py
+++ b/lldb/test/dosep.py
@@ -303,6 +303,7 @@
             "TestMultithreaded.py",
             "TestRegisters.py",  # ~12/600 dosep runs (build 3120-3122)
             "TestThreadStepOut.py",
+            "TestChangeProcessGroup.py",
         }
     elif target.startswith("android"):
         expected_timeout |= {