diff --git a/tests/NLog.Web.AspNetCore.Tests/LayoutRenderers/AspNetEnvironmentLayoutRendererTests.cs b/tests/NLog.Web.AspNetCore.Tests/LayoutRenderers/AspNetEnvironmentLayoutRendererTests.cs
index e6f3ab19..04a832c9 100644
--- a/tests/NLog.Web.AspNetCore.Tests/LayoutRenderers/AspNetEnvironmentLayoutRendererTests.cs
+++ b/tests/NLog.Web.AspNetCore.Tests/LayoutRenderers/AspNetEnvironmentLayoutRendererTests.cs
@@ -13,7 +13,7 @@
 
 namespace NLog.Web.Tests.LayoutRenderers
 {
-    public class AspNetEnvironmentLayoutRendererTests
+    public class AspNetEnvironmentLayoutRendererTests : TestBase
     {
         [Fact]
         public void SuccessTest()
@@ -38,5 +38,16 @@ public void NullTest()
             string actual = renderer.Render(new LogEventInfo());
             Assert.Equal(string.Empty, actual);
         }
+
+        [Fact]
+        public void InitCloseTest()
+        {
+            var logFactory = new LogFactory().Setup().RegisterNLogWeb().LoadConfiguration(builder =>
+            {
+                builder.ForTarget().WriteTo(new NLog.Targets.MemoryTarget() { Layout = "${aspnet-environment}" });
+            }).LogFactory;
+            Assert.NotNull(logFactory);
+            logFactory.Shutdown();
+        }
     }
 }
diff --git a/tests/Shared/LayoutRenderers/AspNetAppBasePathLayoutRendererTests.cs b/tests/Shared/LayoutRenderers/AspNetAppBasePathLayoutRendererTests.cs
index 144a0370..a5f4f4ba 100644
--- a/tests/Shared/LayoutRenderers/AspNetAppBasePathLayoutRendererTests.cs
+++ b/tests/Shared/LayoutRenderers/AspNetAppBasePathLayoutRendererTests.cs
@@ -19,7 +19,7 @@
 
 namespace NLog.Web.Tests.LayoutRenderers
 {
-    public class AspNetAppBasePathLayoutRendererTests 
+    public class AspNetAppBasePathLayoutRendererTests : TestBase
     {
         [Fact]
         public void SuccessTest()
@@ -61,5 +61,16 @@ public void NullTest()
             Assert.Equal(AppContext.BaseDirectory, actual);
 #endif
         }
+
+        [Fact]
+        public void InitCloseTest()
+        {
+            var logFactory = new LogFactory().Setup().RegisterNLogWeb().LoadConfiguration(builder =>
+            {
+                builder.ForTarget().WriteTo(new NLog.Targets.MemoryTarget() { Layout = "${aspnet-appbasepath}" });
+            }).LogFactory;
+            Assert.NotNull(logFactory);
+            logFactory.Shutdown();
+        }
     }
 }
diff --git a/tests/Shared/LayoutRenderers/AspNetWebRootPathLayoutRendererTests.cs b/tests/Shared/LayoutRenderers/AspNetWebRootPathLayoutRendererTests.cs
index 1a7fe55e..e02bf9d8 100644
--- a/tests/Shared/LayoutRenderers/AspNetWebRootPathLayoutRendererTests.cs
+++ b/tests/Shared/LayoutRenderers/AspNetWebRootPathLayoutRendererTests.cs
@@ -19,7 +19,7 @@
 
 namespace NLog.Web.Tests.LayoutRenderers
 {
-    public class AspNetWebRootPathLayoutRendererTests
+    public class AspNetWebRootPathLayoutRendererTests : TestBase
     {
         [Fact]
         public void SuccessTest()
@@ -57,5 +57,16 @@ public void NullTest()
 
             Assert.Equal(string.Empty, actual);
         }
+
+        [Fact]
+        public void InitCloseTest()
+        {
+            var logFactory = new LogFactory().Setup().RegisterNLogWeb().LoadConfiguration(builder =>
+            {
+                builder.ForTarget().WriteTo(new NLog.Targets.MemoryTarget() { Layout = "${aspnet-webrootpath}" });
+            }).LogFactory;
+            Assert.NotNull(logFactory);
+            logFactory.Shutdown();
+        }
     }
 }
diff --git a/tests/Shared/LayoutRenderers/IISInstanceNameLayoutRendererTests.cs b/tests/Shared/LayoutRenderers/IISInstanceNameLayoutRendererTests.cs
index 7a421e65..6eab02b3 100644
--- a/tests/Shared/LayoutRenderers/IISInstanceNameLayoutRendererTests.cs
+++ b/tests/Shared/LayoutRenderers/IISInstanceNameLayoutRendererTests.cs
@@ -18,7 +18,7 @@
 
 namespace NLog.Web.Tests.LayoutRenderers
 {
-    public class IISInstanceNameLayoutRendererTests
+    public class IISInstanceNameLayoutRendererTests : TestBase
     {
         [Fact]
         public void SuccessTest()
@@ -57,5 +57,16 @@ public void NullTest()
 
             Assert.Equal(string.Empty, actual);
         }
+
+        [Fact]
+        public void InitCloseTest()
+        {
+            var logFactory = new LogFactory().Setup().RegisterNLogWeb().LoadConfiguration(builder =>
+            {
+                builder.ForTarget().WriteTo(new NLog.Targets.MemoryTarget() { Layout = "${iis-site-name}" });
+            }).LogFactory;
+            Assert.NotNull(logFactory);
+            logFactory.Shutdown();
+        }
     }
 }