Unlike #3244 and #3245 when methods marked with the following attributes:
[ClassInitialize]
[ClassCleanup]
[TestInitialize]
[TestCleanup]
are on a class not marked with [TestClass] it's possible that they are still being picked-up through inheritance.
In addition to #3223 and #3224 updates, we should raise a diagnostic if the containing type is sealed and not marked with [TestClass] (or derived attribute).
Unlike #3244 and #3245 when methods marked with the following attributes:
[ClassInitialize][ClassCleanup][TestInitialize][TestCleanup]are on a class not marked with
[TestClass]it's possible that they are still being picked-up through inheritance.In addition to #3223 and #3224 updates, we should raise a diagnostic if the containing type is
sealedand not marked with[TestClass](or derived attribute).