housecleaning: remove nonnullableTypes

test/checker/inferred_type_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /// Tests for type inference.
 library dev_compiler.test.inferred_type_test;
 
 import 'package:test/test.dart';
 
 import '../testing.dart';
@@ skipping 12 matching lines @@
   // If inferred type is `int`, error is also reported
   testChecker('infer type on var 2', {
     '/main.dart': '''
       test2() {
         var x = 3;
         x = /*severe:StaticTypeError*/"hi";
       }
     '''
   });
 
-  testChecker('Error when declared type is `int` and assigned null.', {
-    '/main.dart': '''
-        test1() {
-          int x = 3;
-          x = /*severe:StaticTypeError*/null;
-        }
-      '''
-  }, nonnullableTypes: <String>[
-    'int',
-    'double'
-  ]);
-
-  testChecker('Error when inferred type is `int` and assigned null.', {
-    '/main.dart': '''
-        test1() {
-          var x = 3;
-          x = /*severe:StaticTypeError*/null;
-        }
-      '''
-  }, nonnullableTypes: <String>[
-    'int',
-    'double'
-  ]);
-
   testChecker('No error when declared type is `num` and assigned null.', {
     '/main.dart': '''
         test1() {
           num x = 3;
           x = null;
         }
       '''
   });
 
   testChecker('do not infer type on dynamic', {
@@ skipping 1297 matching lines @@
         main() {
           Iterable<Future<int>> list = <int>[1, 2, 3].map(make);
           Future<List<int>> results = Future.wait(list);
           Future<String> results2 = results.then((List<int> list) 
             => list.fold('', (String x, int y) => x + y.toString()));
         }
     '''
     });
   });
 }