A script can include any number of Strategy sections. All strategies found in a script will be included when a test is run.
To exclude a strategy from a test, temporarily comment it out. This can quickly be done by putting the cursor in the strategy header line, then pressing Ctrl+/ or selecting "Comment Selection" from the Script Menu.
… resulting in …
Do the same in reverse to remove the comments and include the strategy again.
Another way to toggle comment in/out is to click in the left margin adjacent to the line or section to be toggled, as shown above.