Define that once

UnitTests/UnitTests.csproj

@@ -13,12 +13,12 @@
     <LangVersion>12</LangVersion>
     <IsPackable>false</IsPackable>
     <UseDataCollector />
+    <DefineTrace>True</DefineTrace>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
-    <DefineConstants>TRACE;DEBUG_IDISPOSABLE</DefineConstants>
+    <DefineConstants>DEBUG_IDISPOSABLE</DefineConstants>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
-    <DefineConstants>TRACE</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />