fails:Time.new with a utc_offset argument returns a Time with a UTC offset of the specified number of Rational seconds
fails:Time.new with a utc_offset argument raises ArgumentError if the String argument is not in an ASCII-compatible encoding
fails:Time.new with a utc_offset argument with an argument that responds to #to_r coerces using #to_r
fails:Time.new with a utc_offset argument with an argument that responds to #to_str coerces using #to_str
fails:Time.new with a utc_offset argument returns a non-UTC time
