CSHARP-4854: Suppress vulnerability warnings for netcoreapp2.1 TF in tests (#1218)

Author: BorisDog

tests/BuildProps/Tests.Build.props

@@ -47,4 +47,11 @@
     <PackageReference Include="xunit" Version="2.4.2" />
     <PackageReference Include="JunitXml.TestLogger" Version="2.1.81" />
   </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Update="Microsoft.NETCore.App">
+      <NoWarn>NU1903,NU1902</NoWarn> <!--Temporary disable vulnerability warning to allow netcoreapp2.1 TF-->
+    </PackageReference>
+  </ItemGroup>
+
 </Project>