The $bitsAllSet, $bitsAllClear, $bitsAnySet, and $bitsAnyClear all accept NumberLong numeric bit masks but all the existing tests only test numeric bit mask values that are less than 32 bits. Coverage should be added for numeric bit masks that are 'NumberLongs'. 

Note that there is currently a mismatch between what is done in the code and what is in the docs for these expressions, being handled by DOCS-16722.