benchmark: (timers) refactor

PR-URL: nodejs#18320
Reviewed-By: James M Snell <[email protected]>

Author: BridgeAR

benchmark/timers/set-immediate-breadth.js

@@ -9,7 +9,7 @@ function main(conf) {
   const N = +conf.millions * 1e6;
 
   process.on('exit', function() {
-    bench.end(N / 1e6);
+    bench.end(millions);
   });
 
   function cb() {}

benchmark/timers/set-immediate-depth-args.js

@@ -9,7 +9,7 @@ function main(conf) {
   const N = +conf.millions * 1e6;
 
   process.on('exit', function() {
-    bench.end(N / 1e6);
+    bench.end(millions);
   });
 
   function cb3(n, arg2, arg3) {

benchmark/timers/timers-cancel-pooled.js

@@ -28,5 +28,5 @@ function main(conf) {
 }
 
 function cb() {
-  assert(false, 'Timer should not call callback');
+  assert.fail('Timer should not call callback');
 }

benchmark/timers/timers-cancel-unpooled.js

@@ -22,5 +22,5 @@ function main(conf) {
 }
 
 function cb() {
-  assert(false, `Timer ${this._idleTimeout} should not call callback`);
+  assert.fail(`Timer ${this._idleTimeout} should not call callback`);
 }

benchmark/timers/timers-insert-unpooled.js

@@ -23,5 +23,5 @@ function main(conf) {
 }
 
 function cb() {
-  assert(false, `Timer ${this._idleTimeout} should not call callback`);
+  assert.fail(`Timer ${this._idleTimeout} should not call callback`);
 }