TestContext.WriteLine allows additional information to be added in test reports (.trx files) in a flexible manner. This features is particularly useful to report contextual information such as details regarding Test Environments, formal parameters and so on.

[TestMethod]
public void ShouldCreateUser(){
// ... Unit Test Codes....
}

[TestCleanup]
public void TestCleanup(){
    TestContext.WriteLine("{0} : {1}", TestContext.TestName ,TestContext.CurrentTestOutcome);
}

As such, above code-snippet shows the value CurrentTestOutcome after running a test–

Hope it helps. Thanks.

Related Posts

Other posts in this series includes:

On Unit Testing:

• Why is Unit Testing so Important?
• TDD in a Nutshell.
• More on Unit Testing: TestContext.

Usage of TestContext:

• Getting Directory of Current Context with TestContext.
• Performance Measurement with TestContext.
• Unit Testing in ASP.NET Context with TestContext.
• TestContext in Data Driven Unit Tests.
• Add Result File with TestContext.