fixed file properties

tests/SharpGLTF.Tests/SharpGLTF.Tests.csproj

@@ -31,6 +31,9 @@
     <None Update="Assets\API.Core.1.0.0-alpha0007.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Update="Assets\API.Core.1.0.0-alpha0008.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="Assets\API.Toolkit.1.0.0-alpha0005.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
@@ -40,6 +43,9 @@
     <None Update="Assets\API.Toolkit.1.0.0-alpha0007.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
+    <None Update="Assets\API.Toolkit.1.0.0-alpha0008.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
     <None Update="Assets\Invalid_Json.gltf">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>