[NaCl SDK] Don't exit from nacl_io_test before posting message to JS.

native_client_sdk/src/tests/nacl_io_test/main.cc

Index: native_client_sdk/src/tests/nacl_io_test/main.cc
diff --git a/native_client_sdk/src/tests/nacl_io_test/main.cc b/native_client_sdk/src/tests/nacl_io_test/main.cc
index 9df6d4bde761ad0e55792be41cc32cab29757453..772267070073c522b0dd51e45c18264d228a534d 100644
--- a/native_client_sdk/src/tests/nacl_io_test/main.cc
+++ b/native_client_sdk/src/tests/nacl_io_test/main.cc
@@ -60,7 +60,15 @@ int example_main(int argc, char* argv[]) {
   ::testing::InitGoogleTest(&argc, argv);
   ::testing::UnitTest::GetInstance()->listeners()
       .Append(new GTestEventListener());
-  return RUN_ALL_TESTS();
+  int result = RUN_ALL_TESTS();
+
+  // When running as an automated test, we don't want the final message
+  // ("testend") to be dropped, so don't exit. The web page will kill the
+  // plugin if it needs to.
+  while(1);
+
+  // Silence the warning.
+  return result;
 }
 
 // Register the function to call once the Instance Object is initialized.