Added a test for an invalid closing Z after time-zone offset for date-time format.
"data": "1990-12-31T15:59:60-24:00",
"valid": false
},
+ {
+ "description": "an invalid closing Z after time-zone offset",
+ "data": "1963-06-19T08:30:06.28123+01:00Z",
+ "valid": false
+ },
{
"description": "an invalid date-time string",
"data": "06/19/1963 08:30:06 PST",
