There is some discussion of javascript variables here:
https://support.smartbear.com/testcomplete/docs/scripting/specifics/javascript.html
This is how variables are sorted out in TestComplete
https://support.smartbear.com/testcomplete/docs/testing-with/variables/collections/index.html
You may need to move some of your variables to a lower level, for example from Project to Keyword, in order to isolate them in the way you are expecting.
Sorry. I didn't express myself correctly.
The variables I mentioned are referring to the test script made in JS.
Today we are declaring with 'let' in the units
There is some discussion of javascript variables here:
https://support.smartbear.com/testcomplete/docs/scripting/specifics/javascript.html
