XFail flakey test.

llvm-svn: 235916

lldb/test/functionalities/avoids-fd-leak/TestFdLeak.py

@@ -13,6 +13,7 @@ class AvoidsFdLeakTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @expectedFailure(lambda x: sys.version_info >= (2, 7, 8), "bugs.freebsd.org/197376") # python random leaks fd
+    @expectedFailureLinux # xfail flakey test to get buildbot green
     @skipIfWindows # The check for descriptor leakage needs to be implemented differently here.
     @skipIfTargetAndroid # Android have some other file descriptors open by the shell
     def test_fd_leak_basic (self):