specify test framework

Author: Filip Staffa

.github/workflows/dotnetcore.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Build with dotnet
         run: dotnet build --configuration Release /p:ContinuousIntegrationBuild=true
       - name: Test
-        run: dotnet test src/PostalCodes.UnitTests/PostalCodes.UnitTests.csproj
+        run: dotnet test src/PostalCodes.UnitTests/PostalCodes.UnitTests.csproj -f ${{ matrix.dotnet }}
       - name: Create nuget package
         run: dotnet pack . -p:PackageVersion=0.0.1-alpha -o out --no-build
       - name: Install dotnet-validate

src/PostalCodes.UnitTests/PostalCodes.UnitTests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.1;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netcoreapp2.2;net6.0;net8.0</TargetFrameworks>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />