Remove cancel and make crash exit with code 253.

tests/compiler/dart2js/resolver_test.dart

Index: tests/compiler/dart2js/resolver_test.dart
diff --git a/tests/compiler/dart2js/resolver_test.dart b/tests/compiler/dart2js/resolver_test.dart
index d75a60569480c775bb6dab8ef2bd758274216f29..04ca4e30b67891edc7fa92da2a5cdbaa33f6c14c 100644
--- a/tests/compiler/dart2js/resolver_test.dart
+++ b/tests/compiler/dart2js/resolver_test.dart
@@ -116,10 +116,10 @@ class Bar extends Foo implements X<Bar> {}
   compiler.resolveStatement("Bar bar;");
   ClassElement classBar = compiler.mainApp.find("Bar");
   Expect.equals(0, compiler.warnings.length);
-  Expect.equals(0, compiler.errors.length);
-  Expect.equals(1, compiler.crashes.length);
+  Expect.equals(1, compiler.errors.length);
   Expect.equals(MessageKind.MULTI_INHERITANCE,
-                compiler.crashes[0].message.kind);
+                compiler.errors[0].message.kind);
+  Expect.equals(0, compiler.crashes.length);
 }
 
 testTypeVariables() {
@@ -754,10 +754,10 @@ testClassHierarchy() {
   mainElement = compiler.mainApp.find(MAIN);
   compiler.resolver.resolve(mainElement);
   Expect.equals(0, compiler.warnings.length);
-  Expect.equals(0, compiler.errors.length);
-  Expect.equals(1, compiler.crashes.length);
+  Expect.equals(1, compiler.errors.length);
   Expect.equals(MessageKind.MULTI_INHERITANCE,
-                compiler.crashes[0].message.kind);
+                compiler.errors[0].message.kind);
+  Expect.equals(0, compiler.crashes.length);
 }
 
 testInitializers() {