message: Improve start test script.
diff: @@ -8,7 +8,9 @@ clear_php()
  }
  clear_php
  +if [ -z "${TEST_PHP_EXECUTABLE}" ]; then
  export TEST_PHP_EXECUTABLE=`which php`
  +fi
  glob='swoole_*'
  [ -z "$1" ] || glob="$@"
  ${TEST_PHP_EXECUTABLE} -d "memory_limit=1024m" ${__DIR__}/run-tests ${glob}
  