Merge pull request #10022 from adrian-prantl/cherry-pick-next-Make-test-more-robust-in-failure-cases

[Cherry-pick into next] Make test more robust in failure cases

Author: adrian-prantl

lldb/test/API/lang/swift/async/frame/language_specific_data/TestSwiftAsyncLanguageSpecificData.py

@@ -27,6 +27,8 @@ def test(self):
 
         while process.state == lldb.eStateStopped:
             thread = process.GetSelectedThread()
+            if thread.GetStopReason() != lldb.eStopReasonBreakpoint:
+                break
             frame = thread.frames[0]
             # Spin up the compiler so it can answer the explicit modules question.
             self.expect("expression 1")