Debug test_xcpp_kernel.py

Author: mcbarton

test/test_xcpp_kernel.py

@@ -238,10 +238,7 @@ class BaseXCppOpenMPTests(jupyter_kernel_test.KernelTests):
         #include <iostream>
         #include <clang/Interpreter/CppInterOp.h>
         Cpp::LoadLibrary("libomp");
-        int main() {
-            printf("all done, with hopefully threads\n");
-        }
-        main();
+        printf("all done, with hopefully threads\n");
         """
 
         def test_xcpp_omp(self):