let USECASE_SdnipI2MN.py executable

Change-Id: I18b019e78beeb352d56ba91cb9a68a96c736cab6
diff --git a/TestON/tests/USECASE_SdnipFunction_fsfw/Dependency/USECASE_SdnipI2MN.py b/TestON/tests/USECASE_SdnipFunction_fsfw/Dependency/USECASE_SdnipI2MN.py
old mode 100644
new mode 100755