Adds Microsoft.NET.Test.Sdk and NUnit3TestAdapter to NUnit projects. (#115)

- Upgrades Microsoft.NET.Test.Sdk to version 17.6.3

Author: fdcastel

src/EntityFramework.Firebird.Tests/EntityFramework.Firebird.Tests.csproj

@@ -15,7 +15,9 @@
 		<None Remove="app.config" />
 	</ItemGroup>
 	<ItemGroup>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
 		<PackageReference Include="NUnit" Version="3.13.3" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
 		<PackageReference Include="NUnitLite" Version="3.13.3" />
 	</ItemGroup>
 	<ItemGroup>

src/FirebirdSql.Data.FirebirdClient.Tests/FirebirdSql.Data.FirebirdClient.Tests.csproj

@@ -12,7 +12,9 @@
 		<StartupObject>FirebirdSql.Data.TestsBase.Program</StartupObject>
 	</PropertyGroup>
 	<ItemGroup>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
 		<PackageReference Include="NUnit" Version="3.13.3" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
 		<PackageReference Include="NUnitLite" Version="3.13.3" />
 	</ItemGroup>
 	<ItemGroup>

src/FirebirdSql.EntityFrameworkCore.Firebird.FunctionalTests/FirebirdSql.EntityFrameworkCore.Firebird.FunctionalTests.csproj

@@ -11,7 +11,7 @@
 	</PropertyGroup>
 	<ItemGroup>
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Relational.Specification.Tests" Version="6.0.11" />
-		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.0" />
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
 		<PackageReference Include="xunit" Version="2.4.2" />
 		<PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
 		  <PrivateAssets>all</PrivateAssets>

src/FirebirdSql.EntityFrameworkCore.Firebird.Tests/FirebirdSql.EntityFrameworkCore.Firebird.Tests.csproj

@@ -12,7 +12,9 @@
 		<StartupObject>FirebirdSql.Data.TestsBase.Program</StartupObject>
 	</PropertyGroup>
 	<ItemGroup>
+		<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.3" />
 		<PackageReference Include="NUnit" Version="3.13.3" />
+		<PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
 		<PackageReference Include="NUnitLite" Version="3.13.3" />
 	</ItemGroup>
 	<ItemGroup>