Look at the MT5 ST . . . then you will see it.
You can't always test an Indicator in the MT4 ST reliably . . . how do you do it ? start the EA you want to test, pause it, add your Indicator to the chart.
Also have a read of this to see why testing Indicators in the ST can be problematic: https://www.mql5.com/en/forum/149732 and specifically this post: https://www.mql5.com/en/forum/143310/page2#753353
indicator testing against what?
I once programmed a crystal-ball-indicator. It absolutely fabulous - but not in an EA :(