diff --git a/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityGroupingTests.cs b/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityGroupingTests.cs
new file mode 100644
index 00000000..617c0caa
--- /dev/null
+++ b/ProjectLighthouse.Tests.GameApiTests/Unit/Activity/ActivityGroupingTests.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using System.Linq;
+using LBPUnion.ProjectLighthouse.Extensions;
+using LBPUnion.ProjectLighthouse.Types.Activity;
+using LBPUnion.ProjectLighthouse.Types.Entities.Activity;
+using Xunit;
+
+namespace ProjectLighthouse.Tests.GameApiTests.Unit.Activity;
+
+public class ActivityGroupingTests
+{
+     [Fact]
+     public void ActivityGroupingTest()
+     {
+          List<ActivityDto> activities = new()
+          {
+               new ActivityDto
+               {
+                    TargetPlaylistId = 1,
+                    Activity = new ActivityEntity(),
+               },
+          };
+          List<OuterActivityGroup> groups = activities.AsQueryable().ToActivityGroups().ToList().ToOuterActivityGroups();
+          Assert.NotNull(groups);
+          Assert.Single(groups);
+          OuterActivityGroup groupEntry = groups.First();
+     
+          Assert.Equal(ActivityGroupType.Playlist, groupEntry.Key.GroupType);
+          Assert.Equal(1, groupEntry.Key.TargetId);
+     }
+}
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