Index: lldb/trunk/packages/Python/lldbsuite/test/api/multithreaded/TestMultithreaded.py
===================================================================
--- lldb/trunk/packages/Python/lldbsuite/test/api/multithreaded/TestMultithreaded.py
+++ lldb/trunk/packages/Python/lldbsuite/test/api/multithreaded/TestMultithreaded.py
@@ -101,6 +101,8 @@
         exe = [test_exe, self.getBuildArtifact(self.inferior)]
 
         env = {self.dylibPath: self.getLLDBLibraryEnvVal()}
+        if os.environ['LLDB_DEBUGSERVER_PATH']:
+            env['LLDB_DEBUGSERVER_PATH'] = os.environ['LLDB_DEBUGSERVER_PATH']
         if self.TraceOn():
             print("Running test %s" % " ".join(exe))
             check_call(exe, env=env)