diff --git a/tests/FilterLists.Agent.Tests/UriExtensionsTests.cs b/tests/FilterLists.Agent.Tests/UriExtensionsTests.cs
index 86e66c382..b475e9d1c 100644
--- a/tests/FilterLists.Agent.Tests/UriExtensionsTests.cs
+++ b/tests/FilterLists.Agent.Tests/UriExtensionsTests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using FilterLists.Agent.Extensions;
 using Xunit;
 
@@ -14,5 +15,31 @@ public void IsValidUrl_WithValidUrl_ReturnsTrue()
             var sut = uri.IsValidUrl();
             Assert.True(sut);
         }
+
+        [Fact]
+        public void DistributeByHost_HasOverweightHost_DistributesEvenly()
+        {
+            var uris = new List<Uri>
+            {
+                new Uri("https://www.google.com/"),
+                new Uri("https://www.google.com/"),
+                new Uri("https://www.google.com/"),
+                new Uri("https://www.facebook.com/"),
+                new Uri("https://www.facebook.com/")
+            };
+
+            var sut = uris.DistributeByHost();
+
+            var expected = new List<Uri>
+            {
+                new Uri("https://www.google.com/"),
+                new Uri("https://www.facebook.com/"),
+                new Uri("https://www.google.com/"),
+                new Uri("https://www.facebook.com/"),
+                new Uri("https://www.google.com/")
+            };
+
+            Assert.Equal(expected, sut);
+        }
     }
 }
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