docs: added reference to test docs to step scan tutorial

docs/source/developer/scans/tutorials/tutorial_fly_scan_cont_line.md

@@ -1,3 +1,4 @@
+(developer.scans.tutorials.fly_scan_cont_line)=
 # Continuous Line / Fly Scan
 In this tutorial, we will show you how to write a continuous line fly scan using a BEC server plugin. This tutorial assumes that you have already set up the BEC server and that you have a basic understanding of the scan structure in the BEC server. If not, please refer to the [scan documentation](#developer.scans).
 

docs/source/developer/scans/tutorials/tutorial_step_scan.md

@@ -212,4 +212,7 @@ class TutorialTemperatureStepScan(ScanBase):
 
 Once you have saved the file, restart the BEC server and the client. You should now be able to see your new scan showing up as `tutorial_temperature_step_scan` within `scans.<tab>`.
 
-<!-- ## Step 5: (Optional) Test the scan -->
+```{note}
+For information on how to test your newly written scan plugin, please refer to the [fly scan tutorial](developer.scans.tutorials.fly_scan_cont_line).
+```
+