You don't really need to "back test" anything because so many people before you have back tested and written about their results. But if it will give you piece of mind, I guess it's worth it.
I know you're confused by the lines I draw on my charts, so I'll add some words this time. Here is my back tested method that has worked for hundreds of years, on any time frame, any instrument, and will always work. No back testing needed (I apologize to those whose edge I will ruin).
See below:
This is just standard technical analysis and chart patterns though