fix yaml not building test project

Author: aesalazar

.github/workflows/release.yaml

@@ -52,6 +52,9 @@ jobs:
       - name: Restore dependencies
         run: dotnet restore Kaxaml.sln
 
+      - name: Build test project
+        run: dotnet build Kaxaml.Tests/Kaxaml.Tests.csproj -c Debug
+
       - name: Run unit tests
         run: dotnet test Kaxaml.Tests/Kaxaml.Tests.csproj --no-build --verbosity normal