Merge pull request swiftlang#9253 from kendalharland/kendal/fix-gtest-xfail

Cherry-pick: [lldb][test] Mark gtest cases as XFAIL if the test suite is XFAIL (llvm#102986)

Author: compnerd

llvm/utils/lit/lit/formats/googletest.py

@@ -334,7 +334,11 @@ def remove_gtest(tests):
                             returnCode = lit.Test.SKIPPED
                         elif "failures" in testinfo:
                             has_failure_in_shard = True
-                            returnCode = lit.Test.FAIL
+                            returnCode = (
+                                lit.Test.XFAIL
+                                if test.isExpectedToFail()
+                                else lit.Test.FAIL
+                            )
                             output = header
                             for fail in testinfo["failures"]:
                                 output += fail["failure"] + "\n"