[Chapel Merge] Use 'in' instead of '==', as the command can have

Branch: refs/heads/master
Revision: 8429ecc
Author: lydia-duncan
Log Message:

Merge pull request #16370 from lydia-duncan/allowMultipleASANoptions

Use ‘in’ instead of ‘==’, as the command can have multiple options
[reviewed by @ronawho this time]

Pointed out by Elliot in a post merge review

Modified Files:
M test/library/standard/Map/mapOfArray.skipif

Compare: https://github.com/chapel-lang/chapel/compare/2fb9ee80d382...8429ecc72fb6