[lldb][CI] force TestRosetta.py to fail for a minute, so I (#192835)

can collect the trace logging on the CI bot and see what its environment
looks like today.

Author: jasonmolenda

lldb/test/API/macosx/rosetta/TestRosetta.py

@@ -70,3 +70,4 @@ def test_rosetta(self):
                 self.assertTrue(listener.GetNextEvent(event))
             else:
                 self.assertFalse(listener.GetNextEvent(event))
+            self.assertTrue(False)