diff --git a/Lombiq.Hosting.Tenants.sln b/Lombiq.Hosting.Tenants.sln
index ddc3f316..4124dc4f 100644
--- a/Lombiq.Hosting.Tenants.sln
+++ b/Lombiq.Hosting.Tenants.sln
@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lombiq.Hosting.Tenants.Mana
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lombiq.Hosting.Tenants.IdleTenantManagement", "Lombiq.Hosting.Tenants.IdleTenantManagement\Lombiq.Hosting.Tenants.IdleTenantManagement.csproj", "{CE2B8933-B900-4243-B7B3-FB4A66AF0681}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lombiq.Hosting.Tenants.IdleTenantManagement.Tests.UI", "Lombiq.Hosting.Tenants.IdleTenantManagement.Tests.UI\Lombiq.Hosting.Tenants.IdleTenantManagement.Tests.UI.csproj", "{E2F50048-399C-4B51-848C-85D35C938B6A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{CE2B8933-B900-4243-B7B3-FB4A66AF0681}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{CE2B8933-B900-4243-B7B3-FB4A66AF0681}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{CE2B8933-B900-4243-B7B3-FB4A66AF0681}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E2F50048-399C-4B51-848C-85D35C938B6A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E2F50048-399C-4B51-848C-85D35C938B6A}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E2F50048-399C-4B51-848C-85D35C938B6A}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E2F50048-399C-4B51-848C-85D35C938B6A}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE