[lldbsuite] Skip two more flaky tests on Windows

TestNamespaceLookup occasionally passes unexpectedly and TestExitDuringStep occasionally fails unexpectedly

llvm-svn: 351080

lldb/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/TestExitDuringStep.py

@@ -18,6 +18,7 @@ class ExitDuringStepTestCase(TestBase):
     mydir = TestBase.compute_mydir(__file__)
 
     @skipIfFreeBSD  # llvm.org/pr21411: test is hanging
+    @skipIfWindows # This is flakey on Windows: llvm.org/pr38373
     def test(self):
         """Test thread exit during step handling."""
         self.build(dictionary=self.getBuildFlags())

lldb/packages/Python/lldbsuite/test/lang/cpp/namespace/TestNamespaceLookup.py

@@ -183,6 +183,7 @@ class NamespaceLookupTestCase(TestBase):
         self.expect("expr -- foo()", startstr="(int) $2 = 42")
 
     @unittest2.expectedFailure("lldb file scope lookup bugs")
+    @skipIfWindows # This is flakey on Windows: llvm.org/pr38373
     def test_file_scope_lookup_with_run_command(self):
         """Test file scope lookup in lldb."""
         self.build()