revert: benchmark: test refactoring

This fixes running benchmark tests. Please 👍 this comment to approve fast-tracking.

Example failure:

=== release test-benchmark-async-hooks ===                   
Path: benchmark/test-benchmark-async-hooks
Error: wrk failed with 1. Output: Usage: wrk <options> <url>                            
  Options:                                            
    -c, --connections <N>  Connections to keep open   
    -d, --duration    <T>  Duration of test           
    -t, --threads     <N>  Number of threads to use   
                                                      
    -s, --script      <S>  Load Lua script file       
    -H, --header      <H>  Add header to request      
        --latency          Print latency statistics   
        --timeout     <T>  Socket/request timeout     
    -v, --version          Print version details      
                                                      
  Numeric arguments may include a SI unit (1k, 1M, 1G)
  Time arguments may include a time unit (2s, 2m, 2h)

    at ChildProcess.<anonymous> (/home/sqrt/src/node/master/benchmark/_http-benchmarkers.js:235:16)
    at Object.onceWrapper (events.js:428:26)
    at ChildProcess.emit (events.js:321:20)
    at maybeClose (internal/child_process.js:1051:16)
    at Socket.<anonymous> (internal/child_process.js:442:11)
    at Socket.emit (events.js:321:20)
    at Pipe.<anonymous> (net.js:673:12)
assert.js:102
  throw new AssertionError(obj);
  ^

AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:

1 !== 0

    at ChildProcess.<anonymous> (/home/sqrt/src/node/master/test/common/benchmark.js:30:12)
    at ChildProcess.emit (events.js:321:20)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:276:12) {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: 1,
  expected: 0,
  operator: 'strictEqual'
}
Command: out/Release/node /home/sqrt/src/node/master/test/benchmark/test-benchmark-async-hooks.js
[00:00|% 100|+   0|-   1]: Done                              

(This is back to working after the revert.)

Refs: https://github.com/nodejs/node/pull/31396

Fyi @bridgear

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines