test: update test-child-process-spawn-loop for Python 3

Fixes `SyntaxError: Missing parentheses in call to 'print'.` error when `python` resolves to Python 3. Signed-off-by: Richard Lau <[email protected]> PR-URL: #34071 Refs: #29298 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Zeyu Yang <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>

Author: richardlau

test/pummel/test-child-process-spawn-loop.js

@@ -30,7 +30,7 @@ const N = 40;
 letfinished=false;
 
 functiondoSpawn(i){
-constchild=spawn('python',['-c',`print${SIZE} * "C"`]);
+constchild=spawn('python',['-c',`print(${SIZE} * "C")`]);
 letcount=0;
 
 child.stdout.setEncoding('ascii');