Format for writing a C# Unity test class

YourClassTest.cs

namespace YourNamespace.UnitTests {

  using UnityEngine;
  using NUnit.Framework;

  public class YourClassTest {
  
    private YourClass yourClass;

    [SetUp]
    public void SetUp() {
      yourClass = new YourClass();
    }

    [TearDown]
    public void TearDown() {
      PlayerPrefs.DeleteAll();
    }

    [Test]
    public void GivenConditions_WhenActions_ThenAssertions() {
      int someValue = 10;
      int expectedResult = 20;

      int actualResult = yourClass.Actions(someValue);

      Assert.That(actualResult, Is.EqualTo(expectedResult));
    } 
  }
}