Contrib: make tests work

Contrib tests were broken back in 23ad634a evidently, just now noticing...

Dapper.Tests.Contrib/Dapper.Tests.Contrib.csproj

@@ -7,7 +7,7 @@
     <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
-    <Compile Include="..\Dapper.Tests\Helpers\XunitSkippable.cs;..\Dapper\TypeExtensions.cs" />
+    <Compile Include="..\Dapper.Tests\Helpers\XunitSkippable.cs" Link="Helpers\XunitSkippable.cs" />
     <None Remove="Test.DB.sdf" />
   </ItemGroup>
   <ItemGroup>
@@ -25,5 +25,4 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">
     <Reference Include="Microsoft.CSharp" />
   </ItemGroup>
-  <!-- note: define SQLCE if SQL CE is available -->
 </Project>

Dapper.Tests.Contrib/Helpers/Attributes.cs

+using System;
+using Xunit.Sdk;
+
+namespace Dapper.Tests
+{
+    /// <summary>
+    /// <para>Override for <see cref="Xunit.FactAttribute"/> that truncates our DisplayName down.</para>
+    /// <para>
+    /// Attribute that is applied to a method to indicate that it is a fact that should
+    /// be run by the test runner. It can also be extended to support a customized definition
+    /// of a test method.
+    /// </para>
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    [XunitTestCaseDiscoverer("Dapper.Tests.FactDiscoverer", "Dapper.Tests.Contrib")]
+    public class FactAttribute : Xunit.FactAttribute
+    {
+    }
+
+    /// <summary>
+    /// <para>Override for <see cref="Xunit.TheoryAttribute"/> that truncates our DisplayName down.</para>
+    /// <para>
+    /// Marks a test method as being a data theory. Data theories are tests which are
+    /// fed various bits of data from a data source, mapping to parameters on the test
+    /// method. If the data source contains multiple rows, then the test method is executed
+    /// multiple times (once with each data row). Data is provided by attributes which
+    /// derive from Xunit.Sdk.DataAttribute (notably, Xunit.InlineDataAttribute and Xunit.MemberDataAttribute).
+    /// </para>
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    [XunitTestCaseDiscoverer("Dapper.Tests.TheoryDiscoverer", "Dapper.Tests.Contrib")]
+    public class TheoryAttribute : Xunit.TheoryAttribute { }
+
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+    public sealed class FactLongRunningAttribute : FactAttribute
+    {
+        public FactLongRunningAttribute()
+        {
+#if !LONG_RUNNING
+            Skip = "Long running";
+#endif
+        }
+
+        public string Url { get; private set; }
+    }
+}

Dapper.Tests.Contrib/TestSuite.cs

@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.Data;
 using System.Linq;
-using System.Transactions;
 using Dapper.Contrib.Extensions;
 using Xunit;
 

Dapper.Tests/Dapper.Tests.csproj

@@ -13,10 +13,10 @@
   </PropertyGroup>
   
   <ItemGroup>
-    <ProjectReference Include="..\Dapper.SqlBuilder\Dapper.SqlBuilder.csproj" />
     <ProjectReference Include="..\Dapper\Dapper.csproj" />
     <ProjectReference Include="..\Dapper.Contrib\Dapper.Contrib.csproj" />
     <ProjectReference Include="..\Dapper.ProviderTools\Dapper.ProviderTools.csproj" />
+    <ProjectReference Include="..\Dapper.SqlBuilder\Dapper.SqlBuilder.csproj" />
     <PackageReference Include="FirebirdSql.Data.FirebirdClient" Version="7.0.0" />
     <PackageReference Include="Microsoft.Data.SqlClient" Version="1.1.1" />
     <PackageReference Include="Microsoft.Data.Sqlite" Version="2.2.6" />