More than once the question has been asked on SO. But the only answers that are given read \"you should not need to order your unit tests, it is bad because\" or \"you can
Update for NUnit 3.2.0 - now it support OrderAttribute.
The OrderAttribute may be placed on a test method to specify the order in which tests are run. Example:
public class MyFixture
{
[Test, Order(1)]
public void TestA() { ... }
[Test, Order(2)]
public void TestB() { ... }
[Test]
public void TestC() { ... }
}
https://github.com/nunit/docs/wiki/Order-Attribute