Some use of the new @static-clean and /// annotations in shared tests

tests/language/src/DynamicFieldTest.dart

Index: tests/language/src/DynamicFieldTest.dart
diff --git a/tests/language/src/DynamicFieldTest.dart b/tests/language/src/DynamicFieldTest.dart
index 5dce4ebc9926e13ace906001fca1f95c4bd8572e..b636d4ff93ed5ac5841fd9fc501e43e3c16199b8 100644
--- a/tests/language/src/DynamicFieldTest.dart
+++ b/tests/language/src/DynamicFieldTest.dart
@@ -11,12 +11,12 @@ class A extends C {
 
 class C {
   foo() {
-    print(a);
-    return a;
+    print(a); /// static type error
+    return a; /// static type error
   }
   bar() {
-    print(b.a);
-    return b.a;
+    print(b.a); /// static type error
+    return b.a; /// static type error
   }
 }