diff --git a/lldb/packages/Python/lldbsuite/test/lang/c/shared_lib/TestSharedLib.py b/lldb/packages/Python/lldbsuite/test/lang/c/shared_lib/TestSharedLib.py
index edc83bf58985..5505d15854d1 100644
--- a/lldb/packages/Python/lldbsuite/test/lang/c/shared_lib/TestSharedLib.py
+++ b/lldb/packages/Python/lldbsuite/test/lang/c/shared_lib/TestSharedLib.py
@@ -5,6 +5,7 @@ from __future__ import print_function
 
 import unittest2
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
 import lldbsuite.test.lldbutil as lldbutil
 
@@ -34,10 +35,12 @@ class SharedLibTestCase(TestBase):
             "expression GetMeASubFoo(my_foo_ptr)",
             startstr="(sub_foo *) $")
 
+    @expectedFailureAll(oslist=["windows"])
     def test_expr(self):
         """Test that types work when defined in a shared library and forward-declared in the main executable"""
         self.common_test_expr(True)
 
+    @expectedFailureAll(oslist=["windows"])
     def test_expr_no_preload(self):
         """Test that types work when defined in a shared library and forward-declared in the main executable, but with preloading disabled"""
         self.common_test_expr(False)