IgnoreAttribute
Attribute used to mark a test that is to be ignored.
Ignored tests result in a warning message when the
tests are run.
The date in the future to stop ignoring the test as a string in UTC time.
For example for a date and time, "2014-12-25 08:10:00Z" or for just a date,
"2014-12-25". If just a date is given, the Ignore will expire at midnight UTC.
Constructs the attribute giving a reason for ignoring the test
Modifies a test by marking it as Ignored.