Add test execution step to SDK build workflow

Introduces a 'Run Tests' job to the build validation workflow for multiple SDKs. The step conditionally runs tests for each SDK based on the presence of test files or configuration, providing feedback if no tests are found or configured.

Author: Fellmonkey

.github/workflows/sdk-build-validation.yml

@@ -197,3 +197,100 @@ jobs:
               exit 1
               ;;
           esac
+
+      - name: Run Tests
+        working-directory: examples/${{ matrix.sdk }}
+        run: |
+          case "${{ matrix.sdk }}" in
+            web|node|cli|react-native)
+              if [ -f "package.json" ] && grep -q '"test"' package.json; then
+                # Check if test script is not a placeholder/error message
+                if grep -q '"test".*"echo.*no test' package.json; then
+                  echo "No tests configured (placeholder script found)"
+                else
+                  npm test
+                fi
+              else
+                echo "No tests configured in package.json"
+              fi
+              ;;
+            flutter)
+              if [ -d "test" ] && find test -name "*_test.dart" 2>/dev/null | grep -q .; then
+                flutter test
+              else
+                echo "No Flutter tests found"
+              fi
+              ;;
+            apple|swift)
+              if [ -d "Tests" ] && find Tests -name "*.swift" 2>/dev/null | grep -q .; then
+                swift test
+              else
+                echo "No Swift tests found"
+              fi
+              ;;
+            android)
+              if [ -d "library/src/test" ] || [ -d "app/src/test" ]; then
+                ./gradlew test
+              else
+                echo "No Android tests found"
+              fi
+              ;;
+            kotlin)
+              if [ -d "src/test" ]; then
+                ./gradlew test
+              else
+                echo "No Kotlin tests found"
+              fi
+              ;;
+            php)
+              if [ -f "vendor/bin/phpunit" ] && [ -d "tests" ]; then
+                vendor/bin/phpunit tests/
+              else
+                echo "No PHPUnit tests configured"
+              fi
+              ;;
+            python)
+              if [ -d "tests" ] || find . -maxdepth 2 -name "test_*.py" -o -name "*_test.py" 2>/dev/null | grep -q .; then
+                python -m pytest
+              else
+                echo "No pytest tests found"
+              fi
+              ;;
+            ruby)
+              if [ -d "test" ] || [ -d "spec" ]; then
+                if [ -f "Rakefile" ] && grep -q "test" Rakefile; then
+                  bundle exec rake test
+                elif [ -d "spec" ]; then
+                  bundle exec rspec
+                else
+                  echo "No Ruby tests configured"
+                fi
+              else
+                echo "No Ruby tests found"
+              fi
+              ;;
+            dart)
+              if [ -d "test" ] && find test -name "*_test.dart" 2>/dev/null | grep -q .; then
+                dart test
+              else
+                echo "No Dart tests found"
+              fi
+              ;;
+            go)
+              if find . -name "*_test.go" 2>/dev/null | grep -q .; then
+                go test ./...
+              else
+                echo "No Go tests found"
+              fi
+              ;;
+            dotnet)
+              if find . -name "*.csproj" -exec grep -l "Microsoft.NET.Test.Sdk" {} \; 2>/dev/null | grep -q .; then
+                dotnet test
+              else
+                echo "No .NET tests configured"
+              fi
+              ;;
+            *)
+              echo "No tests for SDK: ${{ matrix.sdk }}"
+              ;;
+          esac