Disable tests in lang/c/shared_lib on Windows

[sas]

Summary

These fail because -fPIC is not supported on Windows.

[clayborg]

Are we planning on getting shared libraries working on windows? Or this is just an expression parser with shared libraries bug? Be nice to file a bug and mention it if it is something we are planning on fixing.

packages/Python/lldbsuite/test/lang/c/shared_lib/TestSharedLib.py

 """Test that types defined in shared libraries work correctly."""
 
 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
 
 
 class SharedLibTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
def common_test_expr(self, preload_symbols):
                 "(foo)",
                 "(sub_foo)",
                 "other_element = 3"])
 
         self.expect(
             "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)
 
     @unittest2.expectedFailure("rdar://problem/10704639")
     def test_frame_variable(self):
         """Test that types work when defined in a shared library and forward-declared in the main executable"""
         self.build()