Debug test

Author: Emmanuel Garcia

runtime/dart_isolate.cc

@@ -742,6 +742,9 @@ bool DartIsolate::RunFromLibrary(std::optional<std::string> library_name,
 
   if (Dart_IsError(plugin_registrant_function)) {
     plugin_registrant_function = Dart_Null();
+    FML_DLOG(ERROR) << " plugin_registrant_function IS NULL  ";
+  } else {
+    FML_DLOG(ERROR) << " plugin_registrant_function IS NOT NULL  ";
   }
 
   if (!InvokeMainEntrypoint(user_entrypoint_function,

runtime/fixtures/runtime_test.dart

@@ -10,16 +10,20 @@ import 'dart:ui';
 
 import 'split_lib_test.dart' deferred as splitlib;
 
-// ignore: unused_element
-void _registerPlugins() {
+@pragma('vm:entry-point')
+void _registerPlugins() { // ignore: unused_element
   try {
+    print('_registerPlugins');
     passMessageForDartRegistrantTest('_registerPlugins');
+    print('_registerPlugins 2');
   } catch(_) {}
 }
 
 void main() {
  try {
+    print('main');
     passMessageForDartRegistrantTest('main');
+    print('main 2');
   } catch(_) {}
 }