code: def test_timestamp(self):
      dt = datetime.now(tz=dateutil_tz.UTC)
      expected = str(dt.timestamp())
      assert self.formatter._format_token(dt, "X") == expected
  
      # Must round because time.time() may return a float with greater
      # than 6 digits of precision
      expected = str(int(dt.timestamp() * 1000000))
      assert self.formatter._format_token(dt, "x") == expected
  
imports: from datetime import datetime
  import pytest
  import pytz
  from dateutil import tz
  from arrow import FORMAT_ATOM, FORMAT_COOKIE, FORMAT_RFC822, FORMAT_RFC850, FORMAT_RFC1036, FORMAT_RFC1123, FORMAT_RFC2822, FORMAT_RFC3339, FORMAT_RSS, FORMAT_W3C
  from .utils import make_full_tz_list
label_desc: Use image node_id 9 for calling the TestFormatterFormatToken obj's underlying member method code with example usage: obj.test_timestamp() without return types