Skip negatgive mock tests in analyzer.

pkg/pkg.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.
 
 # Run this test manually to verify that the fixnum library produces
 # the same results as native ints on a set of directed and random inputs.
 # Skip it when running automated tests because it times out.  This
 # test only makes sense on runtimes that support 64-bit integer
 # arithmetic natively, i.e., the VM.
 fixnum/test/int_64_vm_test: Skip
@@ skipping 54 matching lines @@
 intl/test/find_default_locale_standalone_test: Fail # Issue 8110
 intl/test/message_extraction/message_extraction_test: Fail # Issue 9167
 
 [ $compiler == dart2js ]
 analyzer_experimental/test/generated/ast_test: Fail, Slow # Issue 11230
 unittest/test/instance_test: Fail # http://dartbug.com/11191
 
 [ $compiler == dart2js && $checked ]
 mdv_observe/test/observable_map_test: Fail # BUG(11480): Triage.
 
-[ $compiler == dartc ]
-unittest/test/mock_regexp_negative_test: Fail
-unittest/test/mock_stepwise_negative_test: Fail
-
-[ $compiler == dartanalyzer ]
-# test issue https://code.google.com/p/dart/issues/detail?id=11517
-# These tests are not negetive statically.
-# Requested test fix or permission to mark 'fail, OK'
-unittest/test/mock_regexp_negative_test: fail
-unittest/test/mock_stepwise_negative_test: fail
-
-[ $compiler == dart2analyzer ]
-unittest/test/mock_regexp_negative_test: fail
-unittest/test/mock_stepwise_negative_test: fail
+[ $compiler == dartc || $compiler == dartanalyzer || $compiler == dart2analyzer]
+# These tests are runtime negative but statically positive, so we skip
+# them in the analyzer.
+unittest/test/mock_regexp_negative_test: Skip
+unittest/test/mock_stepwise_negative_test: Skip
 
 [ $compiler == dart2js && $csp ]
 unittest/test/unittest_test: Pass, Crash # Issue 10935
 
 serialization/test/serialization_test: Fail # Issue 6490
 serialization/test/no_library_test: Fail # Issue 6490
 
 [ $compiler == dart2js && $minified ]
 serialization/test/serialization_test: Fail # Issue 6490
 serialization/test/no_library_test: Fail # Issue 6490
@@ skipping 90 matching lines @@
 # test on Dartium, which requires all tests to have a library.
 [ $runtime == dartium || $runtime == drt ]
 serialization/test/no_library_test: Skip # Expected Failure
 
 [ ($runtime == dartium || $runtime == drt) && $compiler == none ]
 pathos/test/pathos_dart2js_test: Fail, OK # Issue 6490
 
 # Skip mdv tests on command line VM, they only run in the browser.
 [ $runtime == vm ]
 mdv: Skip