Enable running of fasta tests on build bot.

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.
 
 # Don't run any test-like files that show up in packages directories. It
 # shouldn't be necessary to run "pub install" in these packages, but if you do
 # it shouldn't break the tests.
 */packages/*/*: Skip
 */*/packages/*/*: Skip
 */*/*/packages/*/*: Skip
 */*/*/*/packages/*/*: Skip
 */*/*/*/*/packages/*/*: Skip
 
 # Analyzer2dart is not maintained anymore.
 analyzer2dart/test/*: Skip
 
 dart_messages/test/dart_messages_test: Skip  # Requires a package root.
 
 # Skip dev_compiler codegen tests
 dev_compiler/test/codegen/*: Skip
 dev_compiler/gen/*: SkipByDesign
 
 # Anything in rasta is input to fasta unit tests and shouldn't be run as tests.
 front_end/test/fasta/rasta/*: SkipByDesign
 
 # sdk_test would take too long to complete, and should be run in a different
 # way.
 front_end/test/fasta/sdk_test: SkipByDesign
 
-# Skip fasta tests for now (https://github.com/dart-lang/sdk/issues/28594).
+[ $runtime != vm || $mode != release || $system == windows ]
 front_end/test/fasta/*: Skip
 
 [ $runtime == vm && $mode == release && $system == linux ]
 kernel/test/closures_test: Slow, Pass
 
 [ $runtime != vm || $mode != release || $system != linux ]
 kernel/test/closures_test: Skip
 
 # Analyze dev_compiler but don't run its tests
 [ $compiler != dart2analyzer ]
@@ skipping 186 matching lines @@
 analyzer/test/src/task/yaml_test: Crash # Issue 24485
 
 [ $runtime == dart_precompiled ]
 *: SkipByDesign # The pkg test framework imports dart:mirrors.
 
 [ $compiler == dart2js && $cps_ir && $checked ]
 *: Skip # `assert` not implemented, about 75% tests crash
 
 [ $compiler == none ]
 kernel/test/closures_test: Fail