test: make stdout buffer test more robust

test-stdout-buffer-flush-on-exit is unfortunately non-deterministic. It will, every so often, pass when it is supposed to fail. This is currently guarded against by running the test with three different long strings. This change increases it to five to reduce the false negatives. PR-URL: #6633 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Santiago Gimeno <[email protected]>

Author: Trott

test/known_issues/test-stdout-buffer-flush-on-exit.js

@@ -15,7 +15,7 @@ if (process.argv[2] === 'child'){
 process.exit();
 }
 
-[16,18,20].forEach((exponent)=>{
+[22,21,20,19,18,17,16,16,17,18,19,20,21,22].forEach((exponent)=>{
 constbigNum=Math.pow(2,exponent);
 constlongLine=lineSeed.repeat(bigNum);
 constcmd=`${process.execPath}${__filename} child ${exponent}${bigNum}`;