Test reflecting on an object that implements Function but has no call method.

tests/lib/lib.status

Index: tests/lib/lib.status
diff --git a/tests/lib/lib.status b/tests/lib/lib.status
index 6961894b24f2a20e23edb467598e28c54d7618aa..176ab305adca0ec07f5ac668665fdde68896b844 100644
--- a/tests/lib/lib.status
+++ b/tests/lib/lib.status
@@ -19,7 +19,8 @@ mirrors/closures_test/none: RuntimeError # Issue 6490
 mirrors/closure_mirror_find_in_context_test: Fail # Issue 6490
 mirrors/constructor_kinds_test: RuntimeError # Issue 13799
 mirrors/equality_test/02: RuntimeError # Issue 12333
-mirrors/fake_function_test: RuntimeError # Issue 11612
+mirrors/fake_function_with_call_test: RuntimeError # Issue 11612
+mirrors/fake_function_without_call_test: RuntimeError # Issue 11612
 mirrors/find_in_context_fake_function_test: Fail # Issue 6490
 mirrors/function_type_mirror_test: RuntimeError # Issue 12166
 mirrors/generics_test/01: RuntimeError # Issue 12087
@@ -174,6 +175,7 @@ mirrors/mixin_application_test/01: Fail, OK # TODO(ahe): Slight broken test to e
 mirrors/intercepted_object_test: Fail, OK # TODO(ahe): Slight broken test to ensure test coverage on dart2js.
 mirrors/typedef_test/01: Fail, OK # Incorrect dart2js behavior.
 
+mirrors/fake_function_without_call_test: RuntimeError # Issue 13957
 mirrors/generic_f_bounded_test/01: RuntimeError # Issue 14000
 mirrors/symbol_validation_test: RuntimeError # Issue 13596