Index: test/lldbtest.py
===================================================================
--- test/lldbtest.py
+++ test/lldbtest.py
@@ -607,7 +607,7 @@
 def expectedFailureLLGS(bugnumber=None, compilers=None):
     def fn(self):
         # llgs local is only an option on Linux systems
-        if 'linux' not in sys.platform:
+        if not self.platformIsLinux():
             return False
         self.runCmd('settings show platform.plugin.linux.use-llgs-for-local')
         return 'true' in self.res.GetOutput() and self.expectedCompiler(compilers)