Add compatibility test for remaining boolean, conditional, object, misc expression operators (14 total)

[eerxuan]

core operator expressions - - literal
core operator expressions text - meta
core operator expressions boolean - and
core operator expressions boolean - not
core operator expressions boolean - or
core operator expressions conditional - cond
core operator expressions conditional - ifNull
core operator expressions conditional - switch
core operator expressions misc - getField
core operator expressions misc - rand
core operator expressions object - mergeObjects
core operator expressions object - setField
core operator expressions object - unsetField
core operator expressions variable - let