Try add identify tests step to workflow

Author: IsakNaslundBh

.github/workflows/build-tests-artifact.yml

@@ -36,6 +36,58 @@ jobs:
         echo "Files copied to _Tests_:"
         ls -la _Tests_/
       
+    - name: Identify tests
+      run: |
+        set -euo pipefail
+        echo "Searching for test DLLs in _Tests_ folder..."
+
+        tests_dir="_Tests_"
+        if [ ! -d "$tests_dir" ]; then
+          echo "✗ $tests_dir folder not found"
+          exit 1
+        fi
+
+        # Prepare output file
+        out_file="$tests_dir/TestDlls.txt"
+        : > "$out_file"
+
+        found=0
+        shopt -s nullglob
+        for dll in "$tests_dir"/*.dll; do
+          base=$(basename "$dll" .dll)
+
+          # Skip known non-test DLLs by name patterns
+          case "$base" in
+            NUnit_Engine|TestSetup_Engine|testhost|testcentric.engine.metadata|\
+            Microsoft.*|System.*|nunit3.*|NUnit3.*|Newtonsoft.*|NuGet.*)
+              continue ;;
+            *_oM|*_Engine)
+              continue ;;
+          esac
+
+          # Check for test frameworks by scanning binary strings
+          if command -v strings >/dev/null 2>&1; then
+            if strings -a "$dll" 2>/dev/null | grep -qiE '(^|/)nunit\.framework|xunit|mstest\.testframework'; then
+              echo "$base.dll" >> "$out_file"
+              echo "  ✓ $base.dll"
+              found=$((found+1))
+            fi
+          else
+            if grep -a -qiE 'nunit\.framework|xunit|mstest\.testframework' "$dll"; then
+              echo "$base.dll" >> "$out_file"
+              echo "  ✓ $base.dll"
+              found=$((found+1))
+            fi
+          fi
+        done
+
+        if [ "$found" -eq 0 ]; then
+          echo "✗ No test DLLs found in $tests_dir"
+          exit 1
+        fi
+
+        echo "✓ Wrote $found test DLL name(s) to $out_file"
+        
     - name: Upload Tests artifact
       uses: actions/upload-artifact@v4
       with: