Update test_xcpp_kernel.py

Author: mcbarton

test/test_xcpp_kernel.py

@@ -131,12 +131,12 @@ class XCppTests(jupyter_kernel_test.KernelTests):
                 'mime': 'image/png'
             }
         ]
-        code_omp='#include <iostream>\n#include <omp>\n#include <clang/Interpreter/CppInterOp.h>\nCpp::LoadLibrary("libomp");int max_threads = omp_get_max_threads();omp_set_thread_num(max_threads);#pragma omp parallel \n{\nif(omp_get_thread_num()==2) std::cout<<omp_get_thread_num()<<std::endl;}'
+        code_omp='#include <iostream>\n#include <omp>\n#include <clang/Interpreter/CppInterOp.h>\nCpp::LoadLibrary("libomp");int max_threads = omp_get_max_threads();omp_set_thread_num(max_threads);#pragma omp parallel \n{\nif(omp_get_thread_num()==2) std::cerr<<omp_get_thread_num()<<std::endl;}'
         def test_xcpp_omp(self):
             self.flush_channels()
-            reply, output_msgs = self.execute_helper(code=self.code_omp,timeout=100)
+            reply, output_msgs = self.execute_helper(code=self.code_omp,timeout=1)
             self.assertEqual(output_msgs[0]['msg_type'], 'stream')
-            self.assertEqual(output_msgs[0]['content']['name'], 'stdout')
+            self.assertEqual(output_msgs[0]['content']['name'], 'stderr')
             self.assertEqual(output_msgs[0]['content']['text'], '2')