test: forbid common.mustCall*() in process exit handlers

`common.mustCall()` and `common.mustCallAtLeast()` need to be called before process exit handlers to work because checks are done inside a process exit handler. Detect if being used inside a process exit handler and throw. PR-URL: #17453 Reviewed-By: Anatoli Papirovski <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Khaidi Chu <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: Trott

test/common/index.js

@@ -493,6 +493,8 @@ exports.mustCallAtLeast = function(fn, minimum){
 };
 
 function_mustCallInner(fn,criteria=1,field){
+if(process._exiting)
+thrownewError('Cannot use common.mustCall*() in process exit handler');
 if(typeoffn==='number'){
 criteria=fn;
 fn=noop;