Add CI verification step

All.sln

@@ -120,7 +120,7 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EFCore.AspNet.Sqlite.Functi
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EFCore.AspNet.InMemory.FunctionalTests", "test\EFCore.AspNet.InMemory.FunctionalTests\EFCore.AspNet.InMemory.FunctionalTests.csproj", "{F1B2E5A0-8C74-414A-B262-353FEE325E9F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EFCore.Trimming.Test", "test\EFCore.Trimming.Test\EFCore.Trimming.Test.csproj", "{933C8662-817C-4F45-B98B-6557E28F7BB1}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EFCore.Trimming.Tests", "test\EFCore.Trimming.Tests\EFCore.Trimming.Tests.csproj", "{933C8662-817C-4F45-B98B-6557E28F7BB1}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

Directory.Build.props

@@ -3,6 +3,7 @@
   <PropertyGroup Condition="'$(IsUnitTestProject)' == ''">
     <IsUnitTestProject Condition="$(MSBuildProjectName.EndsWith('.FunctionalTests'))">True</IsUnitTestProject>
     <IsUnitTestProject Condition="$(MSBuildProjectName.EndsWith('.Specification.Tests'))">False</IsUnitTestProject>
+    <IsUnitTestProject Condition="$(MSBuildProjectName.EndsWith('.Trimming.Tests'))">False</IsUnitTestProject>
   </PropertyGroup>
 
   <Import Project="Sdk.props" Sdk="Microsoft.DotNet.Arcade.Sdk" />

azure-pipelines.yml

@@ -1,6 +1,8 @@
 variables:
   - name: _BuildConfig
     value: Release
+  - name: _BuildTargetFramework
+    value: net6.0
   - name: _TeamName
     value: AspNetCore
   - name: DOTNET_SKIP_FIRST_TIME_EXPERIENCE
@@ -100,6 +102,10 @@ stages:
                 env:
                   Test__Cosmos__DefaultConnection: $(_CosmosConnectionUrl)
                 name: Build
+              - script: |
+                    .dotnet\dotnet publish --configuration $(_BuildConfig) --runtime win-x64 --self-contained test\EFCore.Trimming.Tests
+                    artifacts\bin\EFCore.Trimming.Tests\$(_BuildConfig)\$(_BuildTargetFramework)\win-x64\publish\EFCore.Trimming.Tests.exe
+                displayName: Test trimming
               - task: PublishBuildArtifacts@1
                 displayName: Upload TestResults
                 condition: always()

eng/helix.proj

@@ -50,6 +50,11 @@
     <XUnitProject Remove="$(SqlServerTests)"/>
   </ItemGroup>
 
+  <!-- The trimming test project is a console program -->
+  <ItemGroup>
+    <XUnitProject Remove="$(RepoRoot)/test/EFCore.Trimming.Tests/*.csproj"/>
+  </ItemGroup>
+
   <PropertyGroup>
     <XUnitPublishTargetFramework>net6.0</XUnitPublishTargetFramework>
     <XUnitRuntimeTargetFramework>netcoreapp2.0</XUnitRuntimeTargetFramework>

test/EFCore.Trimming.Test/Program.cs → test/EFCore.Trimming.Tests/Program.cs

@@ -1,9 +1,11 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System;
 using System.Linq;
+using EFCore.Trimming.Tests;
+using Microsoft.Data.SqlClient;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.TestUtilities;
 
 await using var ctx = new BlogContext();
 await ctx.Database.EnsureDeletedAsync();
@@ -12,12 +14,26 @@
 // Execute any query to make sure the basic query pipeline works
 _ = ctx.Blogs.Where(b => b.Name.StartsWith("foo")).ToList();
 
+Console.WriteLine("Database query executed successfully.");
+
 public class BlogContext : DbContext
 {
+    private static readonly string ConnectionString;
+
     public DbSet<Blog> Blogs { get; set; }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
-        => optionsBuilder.UseSqlServer(TestEnvironment.DefaultConnection);
+        => optionsBuilder.UseSqlServer(ConnectionString);
+
+    static BlogContext()
+    {
+        var builder = new SqlConnectionStringBuilder(TestEnvironment.DefaultConnection)
+        {
+            InitialCatalog = "TrimmingTests"
+        };
+
+        ConnectionString = builder.ToString();
+    }
 }
 
 public class Blog

test/EFCore.Trimming.Test/TestEnvironment.cs → test/EFCore.Trimming.Tests/TestEnvironment.cs

@@ -1,12 +1,10 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System;
 using System.IO;
-using Microsoft.Data.SqlClient;
 using Microsoft.Extensions.Configuration;
 
-namespace Microsoft.EntityFrameworkCore.TestUtilities;
+namespace EFCore.Trimming.Tests;
 
 public static class TestEnvironment
 {