Update inferrer test after r24138.

tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart

Index: tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart
diff --git a/tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart b/tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart
index 400c0f8d354d06c846db593c5c144231cf9ef772..0d015589a6c4e17679d175644461c3bff122a20e 100644
--- a/tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart
+++ b/tests/compiler/dart2js/simple_inferrer_no_such_method_test.dart
@@ -108,7 +108,7 @@ main() {
   }
 
   checkReturn('test1', typesInferrer.intType);
-  checkReturn('test2', typesInferrer.dynamicType);
+  checkReturn('test2', typesInferrer.dynamicType.nonNullable());
   checkReturn('test3', typesInferrer.intType);
   checkReturn('test4', typesInferrer.mapType);
   checkReturn('test5', typesInferrer.dynamicType.nonNullable());
@@ -118,17 +118,13 @@ main() {
   compiler.runCompiler(uri);
   typesInferrer = compiler.typesTask.typesInferrer;
 
-  checkReturn('test1', typesInferrer.dynamicType);
+  checkReturn('test1', typesInferrer.dynamicType.nonNullable());
   checkReturn('test2', typesInferrer.mapType);
   checkReturn('test3', typesInferrer.mapType);
   checkReturn('test4', typesInferrer.mapType);
   checkReturn('test5', typesInferrer.mapType);
 
-  // TODO(ngeoffray): The reason for nullablity is because the
-  // inferrer thinks Object.noSuchMethod return null. Once we track
-  // aborting control flow in the analysis, we won't get the nullable
-  // anymore.
-  checkReturn('test6', typesInferrer.numType.nullable());
+  checkReturn('test6', typesInferrer.numType);
   checkReturn('test7', typesInferrer.intType);
   checkReturn('test8', typesInferrer.intType);
   checkReturn('test9', typesInferrer.intType);