[lldb] Re-enable TestSwiftTaskSwitch

Author: kastiglione

lldb/test/API/lang/swift/async/stepping/step-in/task-switch/TestSwiftTaskSwitch.py

@@ -7,7 +7,6 @@
 class TestCase(lldbtest.TestBase):
     @swiftTest
     @skipIf(oslist=["windows", "linux"])
-    @expectedFailureAll(bugnumber='rdar://115576769')
     def test(self):
         """Test conditions for async step-in."""
         self.build()