setIdleTimeout example

        $this->assertLessThan(15, microtime(true) - $start);

        throw $e;
    }

    public function testIdleTimeout()
    {
        $process = $this->getProcessForCode('sleep(34);');
        $process->setTimeout(60);
        $process->setIdleTimeout(0.1);

        try {
            $process->run();

            $this->fail('A timeout exception was expected.');
        } catch (ProcessTimedOutException $e) {
            $this->assertTrue($e->isIdleTimeout());
            $this->assertFalse($e->isGeneralTimeout());
            $this->assertEquals(0.1, $e->getExceededTimeout());
        }
    }

    

  public function testPhpUnitListTests() {
    // Generate the list of tests for all the tests the suites can discover.     // The goal here is to successfully generate the list, without any     // duplicate namespace errors or so forth. This keeps us from committing     // tests which don't break under run-tests.sh, but do break under the     // phpunit test runner tool.     $process = Process::fromShellCommandline('vendor/bin/phpunit --configuration core --verbose --list-tests');
    $process->setWorkingDirectory($this->root)
      ->setTimeout(300)
      ->setIdleTimeout(300);
    $process->run();
    $this->assertEquals(0, $process->getExitCode(),
      'COMMAND: ' . $process->getCommandLine() . "\n" .
      'OUTPUT: ' . $process->getOutput() . "\n" .
      'ERROR: ' . $process->getErrorOutput() . "\n"
    );
  }

  /** * Ensures that functional tests produce debug HTML output when required. */
  

  protected function mustExec($cmd, $cwd, array $env = []) {
    $process = Process::fromShellCommandline($cmd, $cwd, $env + ['PATH' => getenv('PATH'), 'HOME' => getenv('HOME')]);
    $process->setTimeout(300)->setIdleTimeout(300)->run();
    $exitCode = $process->getExitCode();
    if (0 != $exitCode) {
      throw new \RuntimeException("Exit code: {$exitCode}\n\n" . $process->getErrorOutput() . "\n\n" . $process->getOutput());
    }
    return $process->getOutput();
  }

}

  public function executeCommand($command_line, $working_dir = NULL) {
    $this->commandProcess = Process::fromShellCommandline($command_line);
    $this->commandProcess->setWorkingDirectory($this->getWorkingPath($working_dir))
      ->setTimeout(300)
      ->setIdleTimeout(300);
    $this->commandProcess->run();
    return $this->commandProcess;
  }

  /** * Helper function to assert that the last visit was a Drupal site. * * This method asserts that the X-Generator header shows that the site is a * Drupal site. */
  public function assertDrupalVisit() {