Update ConstructorNamedArgumentTest to use the 'runtime-error' directive

tests/language/src/ConstructorNamedArgumentsTest.dart

Index: tests/language/src/ConstructorNamedArgumentsTest.dart
diff --git a/tests/language/src/ConstructorNamedArgumentsTest.dart b/tests/language/src/ConstructorNamedArgumentsTest.dart
index b0ea74e8bb5d36194bed3c4285b9e3c97a80fc85..53666329902dcc62d9380dab8c9ac73da0a7a9bc 100644
--- a/tests/language/src/ConstructorNamedArgumentsTest.dart
+++ b/tests/language/src/ConstructorNamedArgumentsTest.dart
@@ -21,8 +21,11 @@ class X {
   X([a = 'defa', b = 'defb']) : this.i = a, this.j = b;
   X.foo() : this(b: 1, a: 2);
   X.bar() : this(
-                     1,  /// 01: compile-time error
+                     1,  /// 01: runtime error
                      a: 2);
+  X.foobar() : this(1
+                     , a: 2 /// 02: runtime error
+                    );
   X.baz() : this(a: 1, b: 2);
   X.qux() : this(1, 2);
   X.hest() : this();