Added EventStoreDB Application Layer and Optimistic Concurrency Tests

Core/Configuration/ConfigurationExtensions.cs

@@ -10,7 +10,7 @@ public static T GetRequiredConfig<T>(this IConfiguration configuration, string c
                    $"{typeof(T).Name} configuration wasn't found for '${configurationKey}' key");
 
     public static string GetRequiredConnectionString(this IConfiguration configuration, string configurationKey) =>
-        configuration.GetConnectionString("Incidents")
+        configuration.GetConnectionString(configurationKey)
         ?? throw new InvalidOperationException(
             $"Configuration string with name '${configurationKey}' was not found");
 }

EventSourcing.NetCore.sln

@@ -293,18 +293,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "07-BusinessLogic", "Worksho
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "07-BusinessLogic", "Workshops\IntroductionToEventSourcing\Solved\07-BusinessLogic\07-BusinessLogic.csproj", "{2B630D31-F68C-447E-82C4-48E2B17322B5}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-BusinessLogic.EventStoreDB", "Workshops\IntroductionToEventSourcing\09-BusinessLogic.EventStoreDB\09-BusinessLogic.EventStoreDB.csproj", "{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F}"
-EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-BusinessLogic.EventStoreDB", "Workshops\IntroductionToEventSourcing\Solved\09-BusinessLogic.EventStoreDB\09-BusinessLogic.EventStoreDB.csproj", "{26E884E8-4E81-4C87-A643-FE7327F218CE}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10-OptimisticConcurrency.Marten", "Workshops\IntroductionToEventSourcing\10-OptimisticConcurrency.Marten\10-OptimisticConcurrency.Marten.csproj", "{DFC5BD15-8718-469A-B0FE-D21E473F1133}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB", "Workshops\IntroductionToEventSourcing\11-OptimisticConcurrency.EventStoreDB\11-OptimisticConcurrency.EventStoreDB.csproj", "{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10-OptimisticConcurrency.Marten", "Workshops\IntroductionToEventSourcing\Solved\10-OptimisticConcurrency.Marten\10-OptimisticConcurrency.Marten.csproj", "{C33A067F-5335-4011-B955-66901D877B24}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB", "Workshops\IntroductionToEventSourcing\Solved\11-OptimisticConcurrency.EventStoreDB\11-OptimisticConcurrency.EventStoreDB.csproj", "{01F3743A-F751-471D-9CEC-E8D66C25CBCD}"
-EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "12-Projections.SingleStream", "Workshops\IntroductionToEventSourcing\12-Projections.SingleStream\12-Projections.SingleStream.csproj", "{F21F4280-8B2A-43E1-8044-3E6E2905F60B}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "13-Projections.SingleStream.Idempotency", "Workshops\IntroductionToEventSourcing\13-Projections.SingleStream.Idempotency\13-Projections.SingleStream.Idempotency.csproj", "{D3DDFAD6-3B1D-43FD-8310-3F078D0CAD17}"
@@ -459,6 +451,22 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10-OptimisticConcurrency.Ma
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "10-OptimisticConcurrency.Marten.Tests", "Workshops\IntroductionToEventSourcing\Solved\10-OptimisticConcurrency.Marten.Tests\10-OptimisticConcurrency.Marten.Tests.csproj", "{44BE49F6-8F70-48B7-8AC0-4B99DF855341}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-ApplicationLogic.EventStoreDB", "Workshops\IntroductionToEventSourcing\Solved\09-ApplicationLogic.EventStoreDB\09-ApplicationLogic.EventStoreDB.csproj", "{FF18D668-D7EC-4F20-BCEA-806CC4626952}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-ApplicationLogic.EventStoreDB.Tests", "Workshops\IntroductionToEventSourcing\Solved\09-ApplicationLogic.EventStoreDB.Tests\09-ApplicationLogic.EventStoreDB.Tests.csproj", "{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB", "Workshops\IntroductionToEventSourcing\Solved\11-OptimisticConcurrency.EventStoreDB\11-OptimisticConcurrency.EventStoreDB.csproj", "{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB.Tests", "Workshops\IntroductionToEventSourcing\Solved\11-OptimisticConcurrency.EventStoreDB.Tests\11-OptimisticConcurrency.EventStoreDB.Tests.csproj", "{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-ApplicationLogic.EventStoreDB", "Workshops\IntroductionToEventSourcing\09-ApplicationLogic.EventStoreDB\09-ApplicationLogic.EventStoreDB.csproj", "{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "09-ApplicationLogic.EventStoreDB.Tests", "Workshops\IntroductionToEventSourcing\09-ApplicationLogic.EventStoreDB.Tests\09-ApplicationLogic.EventStoreDB.Tests.csproj", "{3AE580AB-209E-4F2A-AE7E-0BB89602A338}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB", "Workshops\IntroductionToEventSourcing\11-OptimisticConcurrency.EventStoreDB\11-OptimisticConcurrency.EventStoreDB.csproj", "{7829C11A-59AF-4C10-A679-312B8940A68D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "11-OptimisticConcurrency.EventStoreDB.Tests", "Workshops\IntroductionToEventSourcing\11-OptimisticConcurrency.EventStoreDB.Tests\11-OptimisticConcurrency.EventStoreDB.Tests.csproj", "{37E05147-F579-458D-9B4F-25B54AC078DE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -805,30 +813,14 @@ Global
 		{2B630D31-F68C-447E-82C4-48E2B17322B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2B630D31-F68C-447E-82C4-48E2B17322B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2B630D31-F68C-447E-82C4-48E2B17322B5}.Release|Any CPU.Build.0 = Release|Any CPU
-		{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F}.Release|Any CPU.Build.0 = Release|Any CPU
-		{26E884E8-4E81-4C87-A643-FE7327F218CE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{26E884E8-4E81-4C87-A643-FE7327F218CE}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{26E884E8-4E81-4C87-A643-FE7327F218CE}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{26E884E8-4E81-4C87-A643-FE7327F218CE}.Release|Any CPU.Build.0 = Release|Any CPU
 		{DFC5BD15-8718-469A-B0FE-D21E473F1133}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{DFC5BD15-8718-469A-B0FE-D21E473F1133}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{DFC5BD15-8718-469A-B0FE-D21E473F1133}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{DFC5BD15-8718-469A-B0FE-D21E473F1133}.Release|Any CPU.Build.0 = Release|Any CPU
-		{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{C33A067F-5335-4011-B955-66901D877B24}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{C33A067F-5335-4011-B955-66901D877B24}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{C33A067F-5335-4011-B955-66901D877B24}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{C33A067F-5335-4011-B955-66901D877B24}.Release|Any CPU.Build.0 = Release|Any CPU
-		{01F3743A-F751-471D-9CEC-E8D66C25CBCD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{01F3743A-F751-471D-9CEC-E8D66C25CBCD}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{01F3743A-F751-471D-9CEC-E8D66C25CBCD}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{01F3743A-F751-471D-9CEC-E8D66C25CBCD}.Release|Any CPU.Build.0 = Release|Any CPU
 		{F21F4280-8B2A-43E1-8044-3E6E2905F60B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{F21F4280-8B2A-43E1-8044-3E6E2905F60B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F21F4280-8B2A-43E1-8044-3E6E2905F60B}.Release|Any CPU.ActiveCfg = Release|Any CPU
@@ -1021,6 +1013,38 @@ Global
 		{44BE49F6-8F70-48B7-8AC0-4B99DF855341}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{44BE49F6-8F70-48B7-8AC0-4B99DF855341}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{44BE49F6-8F70-48B7-8AC0-4B99DF855341}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FF18D668-D7EC-4F20-BCEA-806CC4626952}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FF18D668-D7EC-4F20-BCEA-806CC4626952}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FF18D668-D7EC-4F20-BCEA-806CC4626952}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FF18D668-D7EC-4F20-BCEA-806CC4626952}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321}.Release|Any CPU.Build.0 = Release|Any CPU
+		{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3AE580AB-209E-4F2A-AE7E-0BB89602A338}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3AE580AB-209E-4F2A-AE7E-0BB89602A338}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3AE580AB-209E-4F2A-AE7E-0BB89602A338}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3AE580AB-209E-4F2A-AE7E-0BB89602A338}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7829C11A-59AF-4C10-A679-312B8940A68D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7829C11A-59AF-4C10-A679-312B8940A68D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7829C11A-59AF-4C10-A679-312B8940A68D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7829C11A-59AF-4C10-A679-312B8940A68D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37E05147-F579-458D-9B4F-25B54AC078DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37E05147-F579-458D-9B4F-25B54AC078DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37E05147-F579-458D-9B4F-25B54AC078DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37E05147-F579-458D-9B4F-25B54AC078DE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1134,12 +1158,8 @@ Global
 		{0FE43045-AC67-4DB9-9820-82C9D55EA09A} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{2FFCF9EC-9C75-497B-BC94-B0051367780F} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{2B630D31-F68C-447E-82C4-48E2B17322B5} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
-		{6A93A4C6-7C50-453A-B3DA-48812DEC1C0F} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
-		{26E884E8-4E81-4C87-A643-FE7327F218CE} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
 		{DFC5BD15-8718-469A-B0FE-D21E473F1133} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
-		{84F2A740-C461-4F1F-BF3D-2BFC4D6C7F4F} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{C33A067F-5335-4011-B955-66901D877B24} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
-		{01F3743A-F751-471D-9CEC-E8D66C25CBCD} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
 		{F21F4280-8B2A-43E1-8044-3E6E2905F60B} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{D3DDFAD6-3B1D-43FD-8310-3F078D0CAD17} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{95D8A870-5300-4C1D-BFF1-DBBDD183C8A1} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
@@ -1208,6 +1228,14 @@ Global
 		{9A07F586-2D4B-46F4-AF8F-AF8290AE4A73} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
 		{E03F9212-A1C3-4E3A-8DB6-C2FE05130C03} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 		{44BE49F6-8F70-48B7-8AC0-4B99DF855341} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
+		{FF18D668-D7EC-4F20-BCEA-806CC4626952} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
+		{FDF47EF4-3956-404B-AC58-B9F2B7E3FFCA} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
+		{AF0FC35B-EB97-4EE3-9461-FE17B4A37DC1} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
+		{EB6D55F2-3D3B-44E1-B6A2-12D6A42A2321} = {65F6E2BE-B2D4-4E56-B0CB-3062C4882B9E}
+		{10CA3C99-7C1C-4CA5-9BE9-7092A0949CF7} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
+		{3AE580AB-209E-4F2A-AE7E-0BB89602A338} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
+		{7829C11A-59AF-4C10-A679-312B8940A68D} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
+		{37E05147-F579-458D-9B4F-25B54AC078DE} = {14C7B928-9D6C-441A-8A1F-0C49173E73EB}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {A5F55604-2FF3-43B7-B657-4F18E6E95D3B}

Workshops/IntroductionToEventSourcing/08-ApplicationLogic.Marten/Core/Marten/DocumentSessionExtensions.cs

@@ -5,9 +5,9 @@ namespace ApplicationLogic.Marten.Core.Marten;
 
 public static class DocumentSessionExtensions
 {
-    public static Task Add<T>(this IDocumentSession documentSession, Guid id, object @event, CancellationToken ct)
-        where T : class
-        => throw new NotImplementedException("Document Session Extensions not implemented!");
+    public static Task Add<T>(this IDocumentSession documentSession, Guid id, T aggregate, CancellationToken ct)
+        where T : class, IAggregate =>
+        throw new NotImplementedException("Document Session Extensions not implemented!");
 
     public static Task Add<T>(this IDocumentSession documentSession, Guid id, object[] events, CancellationToken ct)
         where T : class

Workshops/IntroductionToEventSourcing/08-ApplicationLogic.Marten/Mutable/ShoppingCarts/Api.cs

@@ -25,8 +25,8 @@ public static WebApplication ConfigureMutableShoppingCarts(this WebApplication a
             {
                 var shoppingCartId = CombGuidIdGeneration.NewGuid();
 
-                await session.Add<MutableShoppingCart>(shoppingCartId,
-                    MutableShoppingCart.Open(shoppingCartId, clientId.NotEmpty(), Now).DequeueUncommittedEvents(), ct);
+                await session.Add(shoppingCartId,
+                    MutableShoppingCart.Open(shoppingCartId, clientId.NotEmpty(), Now), ct);
 
                 return Created($"/api/mutable/clients/{clientId}/shopping-carts/{shoppingCartId}", shoppingCartId);
             }

Workshops/IntroductionToEventSourcing/08-ApplicationLogic.Marten/Properties/launchSettings.json

@@ -1,6 +1,6 @@
 {
     "profiles": {
-        "Helpdesk.Api": {
+        "ApplicationLogic.Marten": {
             "commandName": "Project",
             "dotnetRunMessages": true,
             "launchBrowser": true,

Workshops/IntroductionToEventSourcing/09-ApplicationLogic.EventStoreDB.Tests/09-ApplicationLogic.EventStoreDB.Tests.csproj

@@ -0,0 +1,32 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <RootNamespace>ApplicationLogic.EventStoreDB.Tests</RootNamespace>
+        <AssemblyName>ApplicationLogic.EventStoreDB.Tests</AssemblyName>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="FluentAssertions" Version="6.12.0" />
+        <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="8.0.0" />
+        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
+        <PackageReference Include="NSubstitute" Version="5.1.0" />
+        <PackageReference Include="xunit" Version="2.7.1" />
+        <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.4" />
+        <PackageReference Include="Ogooreck" Version="0.8.0" />
+        <PackageReference Include="Bogus" Version="35.5.0" />
+        <PackageReference Include="xunit.runner.visualstudio" Version="2.5.8">
+            <PrivateAssets>all</PrivateAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\09-ApplicationLogic.EventStoreDB\09-ApplicationLogic.EventStoreDB.csproj" />
+    </ItemGroup>
+
+    <Import Project="..\..\..\Tests.Build.props" />
+
+</Project>

Workshops/IntroductionToEventSourcing/09-ApplicationLogic.EventStoreDB.Tests/Settings.cs

@@ -0,0 +1,3 @@
+using Xunit;
+
+[assembly: CollectionBehavior(DisableTestParallelization = true)]