XFAIL miscellaneous tests on windows.

llvm.org/pr24778

llvm-svn: 247460
diff --git a/lldb/test/python_api/lldbutil/process/TestPrintStackTraces.py b/lldb/test/python_api/lldbutil/process/TestPrintStackTraces.py
index ce0293b..cd13d68 100644
--- a/lldb/test/python_api/lldbutil/process/TestPrintStackTraces.py
+++ b/lldb/test/python_api/lldbutil/process/TestPrintStackTraces.py
@@ -19,6 +19,7 @@
         self.line = line_number('main.cpp', '// Set break point at this line.')
 
     @expectedFailureAll("llvm.org/pr23043", ["linux"], archs=["i386"]) # We are unable to produce a backtrace of the main thread when the thread is blocked in fgets
+    @expectedFailureWindows("llvm.org/pr24778")
     @python_api_test
     def test_stack_traces(self):
         """Test SBprocess and SBThread APIs with printing of the stack traces."""