Most Complete MSTest Unit Testing Framework Cheat Sheet

using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace MSTestUnitTests
{
    // A class that contains MSTest unit tests. (Required)
    [TestClass]
    public class YourUnitTests
    {
        [AssemblyInitialize]
        public static void AssemblyInit(TestContext context)
        {
            // Executes once before the test run. (Optional)
        }
        [ClassInitialize]
        public static void TestFixtureSetup(TestContext context)
        { 
           // Executes once for the test class. (Optional)
        }
      
        [TestInitialize]
        public void Setup()
        {
             // Runs before each test. (Optional)
        }
        [AssemblyCleanup]
        public static void AssemblyCleanup()
        {
           // Executes once after the test run. (Optional)
        }
        
        [ClassCleanup]
        public static void TestFixtureTearDown()
        {
            // Runs once after all tests in this class are executed. (Optional)
            // Not guaranteed that it executes instantly after all tests from the class.
        }
        
        [TestCleanup]
        public void TearDown()
        { 
            // Runs after each test. (Optional)
        }
        // Mark that this is a unit test method. (Required)
        [TestMethod]
        public void YouTestMethod()
        {
           // Your test code goes here.
        }
    }
}

Source: Most Complete MSTest Unit Testing Framework Cheat Sheet