TC-SWTCH-2.6: Fix test for non MSL devices

Author: cecille

src/python_testing/TC_SWTCH.py

@@ -892,6 +892,7 @@ def test_multi_press_sequence(starting_step: str, count: int, short_long: bool =
         self.step("7a")
         if not has_msl_feature:
             self.skip_all_remaining_steps("7b")
+            return
 
         # subscription is already established
         self.step("7b")