message: Improve start unit test script.
diff: #!/usr/bin/env bash
  -pidof_php()
  +clear_php()
  {
  - echo `ps -A | grep -m1 php | grep -v phpstorm | awk '{print $1}'`
  + ps -A | grep php | grep -v phpstorm | grep -v php-fpm | awk '{print $1}' | xargs kill -9 > /dev/null 2>&1
  }
  -`pidof_php | xargs kill > /dev/null 2>&1`
  +clear_php
  export TEST_PHP_EXECUTABLE=`which php`
  BASEDIR=$(dirname "$0")
  glob='swoole_*'
  [ -z "$1" ] || glob="$@"
  ${TEST_PHP_EXECUTABLE} -d "memory_limit=1024m" ${BASEDIR}/run-tests ${glob}
  -`pidof_php | xargs kill > /dev/null 2>&1`
  +clear_php
  -rm -f /tmp/swoole.log
  +rm -f /tmp/swoole.log > /dev/null 2>&1
  