Fix Specflow.Netcore execution by specifying specflow.exe path

Author: arnaudauroux

sample/Sample.Test.Splecflow/Api/GetBlogs/GetBlogs.feature.cs

@@ -2,7 +2,6 @@
 
   <PropertyGroup>
     <TargetFramework>netcoreapp2.0</TargetFramework>
-    <!--<RuntimeIdentifier>win7-x86</RuntimeIdentifier>-->
     <GenerateBindingRedirectsOutputType>true</GenerateBindingRedirectsOutputType>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
   </PropertyGroup>
@@ -25,9 +24,9 @@
     <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
   </ItemGroup>
 
-<Target Name="PrecompileScript" BeforeTargets="BeforeBuild">
-  <Exec Command="dotnet SpecFlow.NetCore" />
-</Target>
+  <Target Name="PrecompileScript" BeforeTargets="BeforeBuild">
+    <Exec Command="dotnet SpecFlow.NetCore --test-framework mstest --specflow-path $(USERPROFILE)\.nuget\packages\SpecFlow\2.2.0\tools\specflow.exe" />
+  </Target>
 
   <ItemGroup>
     <DotNetCliToolReference Include="SpecFlow.NetCore" Version="1.0.0-rc8" />