More bot fixes

tests/compiler/dart2js/serialization/model_test_helper.dart

Index: tests/compiler/dart2js/serialization/model_test_helper.dart
diff --git a/tests/compiler/dart2js/serialization/model_test_helper.dart b/tests/compiler/dart2js/serialization/model_test_helper.dart
index 18fd88cee59456e2bfe05381f085ef5f44d8f5ca..ef923035d4cbfb605dd824b4805eb167b554a23f 100644
--- a/tests/compiler/dart2js/serialization/model_test_helper.dart
+++ b/tests/compiler/dart2js/serialization/model_test_helper.dart
@@ -29,7 +29,7 @@ import 'test_helper.dart';
 int SKIP_COUNT = 2;
 
 /// Number of groups that the [TESTS] are split into.
-int SPLIT_COUNT = 4;
+int SPLIT_COUNT = 5;
 
 main(List<String> args) {
   asyncTest(() async {
@@ -413,4 +413,4 @@ void checkOutputUnits(
       'OutputUnit.imports $message',
       outputUnit1.imports, outputUnit2.imports,
       (a, b) => areElementsEquivalent(a.declaration, b.declaration));
-}
+}