diff --git a/src/FileCache.UnitTests/FileCacheTest.cs b/src/FileCache.UnitTests/FileCacheTest.cs
index e14d6e4..b455c4b 100644
--- a/src/FileCache.UnitTests/FileCacheTest.cs
+++ b/src/FileCache.UnitTests/FileCacheTest.cs
@@ -59,6 +59,7 @@ public void PolicySaveTest()
             policy.SlidingExpiration.Should().Be(returnPolicy.SlidingExpiration);
         }
 
+        [TestMethod]
         public void SlidingExpirationTest()
         {
             _cache = new FileCache();