test: pass null params to napi_xxx_property()

    For napi_set_property(), each one of the following arguments is checked:
      napi_env env,
      napi_value object,
      napi_value key,
      napi_value* value.

    For napi_has_property(), each one of the following arguments is checked:

      napi_env env,
      napi_value object,
      napi_value key,
      bool* result

    For napi_get_property, each one of the following arguments is checked:

      napi_env env,
      napi_value object,
      napi_value key,
      napi_value* result

PR-URL: https://github.com/nodejs/node/pull/27628


Reviewed-By: Gabriel Schulhof <gabriel.schulhof@intel.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>