[lldb] Re-enable TestBitfields.py

rdar://74106759

Author: JDevlieghere

lldb/test/API/lang/c/bitfields/TestBitfields.py

@@ -156,7 +156,6 @@ def test_and_run_command(self):
     # BitFields exhibit crashes in record layout on Windows
     # (http://llvm.org/pr21800)
     @skipIfWindows
-    @expectedFailureAll(bugnumber="rdar://74106759")
     def test_expression_bug(self):
         # Ensure evaluating (emulating) an expression does not break bitfield
         # values for already parsed variables. The expression is run twice