Fix netcoreapp1.0 unit test setting.

Author: yfakariya

MsgPack.Common.props

@@ -61,7 +61,7 @@
   <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.1'">
     <DefineConstants>$(DefineConstants);FEATURE_TAP;FEATURE_CONCURRENT</DefineConstants>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.3'">
+  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.3' or '$(TargetFramework)' == 'netcoreapp1.0'">
     <DefineConstants>$(DefineConstants);FEATURE_TAP;FEATURE_CONCURRENT;FEATURE_MEMCOPY</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'MonoAndroid10' or '$(TargetFramework)' == 'Xamarin.iOS10'">