disable CS0618 for tests

Author: neuecc

tests/ZLinq.Tests/ZLinq.Tests.csproj

@@ -8,7 +8,7 @@
  <LangVersion>13</LangVersion>
  <IsPackable>false</IsPackable>
  <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
- <NoWarn>$(NoWarn);CS8002</NoWarn>
+ <NoWarn>$(NoWarn);CS8002;CS0618</NoWarn>
 
  <!-- Microsoft.Testing.Platform Support -->
  <OutputType>Exe</OutputType>