Moved old api tests to subfolder

test/CMakeLists.txt

 file(GLOB test_headers [a-z]*.h)
 file(GLOB test_sources [a-z]*.cpp)
+file(GLOB test_old_api_sources old-api/[a-z]*.cpp)
+
+if(YAML_CPP_BUILD_OLD_API)
+	list(APPEND test_sources ${test_old_api_sources})
+endif()
 
 add_executable(run-tests
 	${test_sources}

test/emittertests.cpp

@@ -952,10 +952,15 @@ namespace Test
 
 			if(output == desiredOutput) {
 				try {
+#ifdef YAML_CPP_OLD_API
 					std::stringstream stream(output);
 					YAML::Parser parser;
 					YAML::Node node;
 					parser.GetNextDocument(node);
+#else
+					// Parse with the new API
+#endif
+					
 					passed++;
 				} catch(const YAML::Exception& e) {
 					std::cout << "Emitter test failed: " << name << "\n";