fails:Time#to_s formats the local time following the pattern 'yyyy-MM-dd HH:mm:ss Z'
fails:Time#to_s formats the UTC time following the pattern 'yyyy-MM-dd HH:mm:ss UTC'
fails:Time#to_s formats the fixed offset time following the pattern 'yyyy-MM-dd HH:mm:ss +/-HHMM'
fails:Time#to_s returns a US-ASCII encoded string
