Add compatiblity test for array expression operators (16 total)

[eerxuan]

core operator expressions array - arrayElemAt
core operator expressions array - arrayToObject
core operator expressions array - concatArrays
core operator expressions array - filter
core operator expressions array - firstN
core operator expressions array - in
core operator expressions array - indexOfArray
core operator expressions array - isArray
core operator expressions array - lastN
core operator expressions array - map
core operator expressions array - maxN-array-element
core operator expressions array - minN-array-element
core operator expressions array - objectToArray
core operator expressions array - range
core operator expressions array - reduce
core operator expressions array - reverseArray
core operator expressions array - size
core operator expressions array - slice
core operator expressions array - sortArray
core operator expressions array - zip