Implement .dynamic and throw ObjectNotClosureException in forEach interceptor.

dart/tests/co19/co19-leg.status

Index: dart/tests/co19/co19-leg.status
diff --git a/dart/tests/co19/co19-leg.status b/dart/tests/co19/co19-leg.status
index 18c2823214add63fa97d9a1fcccf83cba6b06ebf..3e1e0a1c07cc8aa130f73d7ebcf2617150345437 100644
--- a/dart/tests/co19/co19-leg.status
+++ b/dart/tests/co19/co19-leg.status
@@ -323,6 +323,7 @@ LibTest/core/Date/value_A01_t01: Fail # Should throw NoSuchMethodException.
 LibTest/core/Duration/compareTo_A01_t01: Fail # Fail is Comparable test.
 LibTest/core/Math/parseDouble_A02_t01: Fail # TODO(ahe): Reject bad values.
 LibTest/core/String/String_class_A03_t01: Fail # Implement is-checks.
+LibTest/core/Queue/iterator_A01_t01: Fail # Implement is-checks.
 
 
 LibTest/core/String/String_class_A02_t01: Fail # Unhandled non-BMP character: U+10000.
@@ -330,8 +331,6 @@ LibTest/core/String/charCodeAt_A01_t01: Fail # Unhandled non-BMP character: U+10
 LibTest/core/String/charCodes_A01_t01: Fail # Unhandled non-BMP character: U+10000.
 
 
-
-
 # TODO(floitsch): Please review these.
 LibTest/core/Expect/approxEquals_A01_t04: Fail # Unknown issue with doubles.
 LibTest/core/Expect/identical_A01_t01: Fail # Is NaN identical to NaN?
@@ -476,18 +475,6 @@ Language/09_Generics/09_Generics_A04_t03: Fail # named constructors with type ar
 Language/08_Interfaces/4_Superinterfaces/1_Inheritance_and_Overriding_A01_t02: Fail # no method named foo in class I
 
 
-
-LangGuideTest/02_Language_Constructs/02_1_Class/02_1_Class_A04_t01: Fail # uncaught exception in toString
-LibTest/core/Object/dynamic_A01_t01: Fail # uncaught exception in toString
-LibTest/core/Object/toString_A01_t01: Fail # uncaught exception in toString
-
-
-LibTest/core/List/forEach_A02_t01: Fail # ObjectNotClosureException expected.
-
-
-LibTest/core/Queue/iterator_A01_t01: Fail # Expect.isFalse(true) fails.
-
-
 #
 # The following tests are all semantic tests that we can rely on dartc
 # catching for now.