fix unit test project

oldrev · oldrev · commit 545055218a1c · 2018-03-01T14:42:41.000+08:00
diff --git a/test/Sandwych.QuickGraph.Tests/Sandwych.QuickGraph.Tests.csproj b/test/Sandwych.QuickGraph.Tests/Sandwych.QuickGraph.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.0;net45</TargetFrameworks>
+    <TargetFramework>netcoreapp2.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <EnableDefaultContentItems>false</EnableDefaultContentItems>
     <RootNamespace>QuickGraph</RootNamespace>
