Last set of XFAILs for Windows.

llvm-svn: 247825
diff --git a/lldb/test/python_api/signals/TestSignalsAPI.py b/lldb/test/python_api/signals/TestSignalsAPI.py
index 8d05d37..7474f43 100644
--- a/lldb/test/python_api/signals/TestSignalsAPI.py
+++ b/lldb/test/python_api/signals/TestSignalsAPI.py
@@ -13,6 +13,7 @@
 
     @python_api_test
     @expectedFlakeyLinux # this test fails 1/100 dosep runs
+    @skipIfWindows # Windows doesn't have signals
     def test_ignore_signal(self):
         """Test Python SBUnixSignals.Suppress/Stop/Notify() API."""
         self.buildDefault()