Add test for .NET Standard 2.1

Author: JonathanMagnan

src/DynamicFiltersTests.NetStandard21/DynamicFiltersTests.NetStandard21.csproj

@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
+    <DefineConstants>TRACE;USE_CSPACE</DefineConstants>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Effort.EF6" Version="2.2.1" />
+    <PackageReference Include="EntityFramework" Version="6.3.0-preview7-19363-02" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.0.1" />
+    <PackageReference Include="MSTest.TestAdapter" Version="1.4.0" />
+    <PackageReference Include="MSTest.TestFramework" Version="1.4.0" />
+    <PackageReference Include="Oracle.ManagedDataAccess.EntityFramework" Version="19.3.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\EntityFramework.DynamicFilters.NetStandard21\EntityFramework.DynamicFilters.NetStandard21.csproj" />
+  </ItemGroup>
+  
+  <Import Project="..\DynamicFiltersTests.Shared\DynamicFiltersTests.Shared.projitems" Label="Shared" />
+
+</Project>