[lldb] Skip instead of XFAIL TestInteractiveScriptedProcess

The test is failing on x86_64 but passing on arm64. Skip until Ismail
can investigate this further.

(cherry picked from commit c0d1128)

Author: JDevlieghere

lldb/test/API/functionalities/interactive_scripted_process/TestInteractiveScriptedProcess.py

@@ -23,6 +23,7 @@ def setUp(self):
         self.script_file = self.script_module + ".py"
 
     @skipUnlessDarwin
+    @skipIfDarwin
     def test_passthrough_launch(self):
         """Test a simple pass-through process launch"""
         self.passthrough_launch()
@@ -43,6 +44,7 @@ def test_passthrough_launch(self):
         self.assertState(lldb.SBProcess.GetStateFromEvent(event), lldb.eStateStopped)
 
     @skipUnlessDarwin
+    @skipIfDarwin
     def test_multiplexed_launch(self):
         """Test a multiple interactive scripted process debugging"""
         self.passthrough_launch()