Add DisposeAfterSuite/DisposeAfterTest functionaltiy to the test framework

[NightOwl888]

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Task description

In Lucene, there were closeAfterTest() and closeAfterSuite() methods on LuceneTestCase that users can use to ensure resources are cleaned up.

The closeAfterSuite() method in Lucene registers a wrapper class for each Directory that is created, which does a check globally to ensure every Directory is closed. We should implement this to help ensure we aren't leaking any Directory instances in tests.

This also depends on the TestRuleMarkFailure feature, but that is a duplicate of the RuleState enum that already exists in NUnit so it is best to leverage that instead.