Fix argument test for the captured parameter of an outer function (issue 8007).

tests/language/language.status

 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # This directory contains tests that are intended to show the
 # current state of the language.
 
 # In order to maintain maximum test coverage for all builds,
 # please use the following procedure to mark a test
 # failed on architectures other than the one you are working on.
@@ skipping 421 matching lines @@
 
 throw_expr_test: Fail
 metadata_test: Fail
 # Fails in conservative mode, issue 4935, passes in minifinying mode.
 bad_constructor_test/04: Fail
 bad_constructor_test/05: Fail
 bad_constructor_test/06: Fail
 argument_definition_test/*: Skip # Not implemented.
 argument_definition2_test: Skip # Not implemented. Fails in minified tests.
 argument_definition3_test: Skip # Not implemented. Fails in minified tests.
+argument_definition4_test: Skip # Not implemented. Fails in minified tests.
 const_var_test: Pass, Fail # Map literals take 2 type arguments.
 map_literal3_test: Fail # Map literals take 2 type arguments.
 class_cycle_negative_test: Fail, OK # Bad test: assumes eager loading.
 field1_negative_test: Fail, OK # Bad test: assumes eager loading.
 field6_negative_test: Fail, OK # Bad test: assumes eager loading.
 interface_cycle_negative_test: Fail, OK # Bad test: assumes eager loading.
 # Common problems with dart2js.  In illegal family, invalid
 # declarations are simply not parsed.  In pseudo kw dart2js
 # chokes on things like typedef(x) => "typedef $x" and alike.
 abstract_syntax_test/01: Fail
@@ skipping 113 matching lines @@
 *: Skip
 
 [ $arch == simarm ]
 *: Skip
 
 [ $arch == mips ]
 *: Skip
 
 [ $arch == simmips ]
 *: Skip