Set net6.0 as the first TFM for BenchmarkDotNet.Tests

Author: AndreyAkinshin

tests/BenchmarkDotNet.Tests/BenchmarkDotNet.Tests.csproj

@@ -2,7 +2,7 @@
   <Import Project="..\..\build\common.props" />
   <PropertyGroup>
     <AssemblyTitle>BenchmarkDotNet.Tests</AssemblyTitle>
-    <TargetFrameworks>net462;net6.0</TargetFrameworks>
+    <TargetFrameworks>net6.0;net462</TargetFrameworks>
     <AssemblyName>BenchmarkDotNet.Tests</AssemblyName>
     <PackageId>BenchmarkDotNet.Tests</PackageId>
     <GenerateRuntimeConfigurationFiles>true</GenerateRuntimeConfigurationFiles>