Change string used to annotate static type issues to 'static type warning' in multitest

tests/language/src/ImplicitThisTest.dart

Index: tests/language/src/ImplicitThisTest.dart
diff --git a/tests/language/src/ImplicitThisTest.dart b/tests/language/src/ImplicitThisTest.dart
index 7f8f4ff8849afced22d18d6f6016564145524632..fca5977041506f1654411cdd27dd021b2534bdfd 100644
--- a/tests/language/src/ImplicitThisTest.dart
+++ b/tests/language/src/ImplicitThisTest.dart
@@ -15,7 +15,7 @@ abstract class Abstract implements Interface {
 
 // This class does not implement "x" either, but it is not marked
 // abstract.
-class SubAbstract1 extends Abstract { } /// 01: static type error
+class SubAbstract1 extends Abstract { } /// 01: static type warning
 
 // This class is implicitly abstract as it declares an abstract getter
 // method.
@@ -25,7 +25,7 @@ class SubAbstract2 extends Abstract {
 
 // This class does not implement "x" either, but it is not marked
 // abstract.
-class SubSubAbstract2 extends SubAbstract2 { } /// 04: static type error
+class SubSubAbstract2 extends SubAbstract2 { } /// 04: static type warning
 
 class Concrete extends Abstract {
   get x() => 7;
@@ -37,9 +37,9 @@ class SubConcrete extends Concrete {
 }
 
 void main() {
-  var x = new Abstract(); /// 02: static type error
+  var x = new Abstract(); /// 02: static type warning
   var y = new SubAbstract1(); /// 01: continued
-  var z = new SubAbstract2(); /// 03: static type error
+  var z = new SubAbstract2(); /// 03: static type warning
   var a = new SubSubAbstract2(); /// 04: continued
   Expect.equals(x, x); /// 02: continued
   Expect.equals('7', new Concrete().toString());