migrate Tests project to netcoreapp2.0

Author: hpcsc

LaYumba.Functional.Tests/LaYumba.Functional.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp1.1</TargetFramework>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
@@ -11,7 +11,7 @@
 
     <PackageReference Include="FsCheck" Version="3.0.0-alpha-b752" />
     <PackageReference Include="FsCheck.Xunit" Version="3.0.0-alpha-b752" />
-    
+
     <PackageReference Include="xunit" Version="2.2.0" />
     <PackageReference Include="xunit.runner.console" Version="2.2.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
@@ -24,4 +24,4 @@
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
   </ItemGroup>
 
-</Project>
+</Project>