Implement initializer asserts.

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.
 
 [ ($runtime == vm || $runtime == flutter || $runtime == dart_precompiled) && $compiler != dartk && $compiler != dartkp ]
 abstract_beats_arguments2_test/01: Crash # Issue 29171
 
@@ skipping 277 matching lines @@
 deferred_type_dependency_test: Crash # Requires deferred libraries
 issue_1751477_test: Crash # Requires deferred libraries
 regress_23408_test: Crash # Requires deferred libraries
 regress_22443_test: Crash # Requires deferred libraries
 regress_28278_test: Crash # Requires deferred libraries
 conditional_import_test: Crash # Requires deferred libraries
 conditional_import_string_test: Crash # Requires deferred libraries
 vm/regress_27201_test: Pass, Crash # Requires deferred libraries
 vm/optimized_stacktrace_test: Pass, Slow
 
-[$runtime != vm || $compiler != none]
-assert_initializer_test: SKIP  # not implemented yet, experiment is VM only.
-
-[$runtime == vm && $compiler == none && ! $checked]
-assert_initializer_test/*: MissingCompileTimeError, OK  # asserts shouldn't fail in unchecked mode.
-assert_initializer_test/none: pass
+[ ($runtime != vm && $compiler != dartk && $compiler != dartkp ) || ($compiler != none && $compiler != dartk && $compiler != dartkp )]
+assert_initializer_test/*: SKIP  # not implemented yet, experiment is VM only.
 
 [($runtime == vm || $runtime == flutter) && $compiler == none && $checked]
 # The VM doesn't enforce that potentially const expressions are actually
 # const expressions when the constructor is called with `const`.
 assert_initializer_test/4*: MissingCompileTimeError # Issue 392.
 
 [($runtime == vm || $runtime == flutter) && $compiler == none]
 duplicate_part_test/01: MissingCompileTimeError # Issue 27516
 
 [$runtime == vm && $compiler == none && $system == windows && $arch == ia32]
@@ skipping 254 matching lines @@
 async_return_types_test/wrongTypeParameter: Skip # Flutter Issue 9110
 async_return_types_test/wrongReturnType: Skip # Flutter Issue 9110
 async_return_types_test/return_value_sync_star: Skip # Flutter Issue 9110
 asyncstar_yield_test: Skip # Flutter Issue 9110
 async_star_no_cancel_test: Skip # Flutter Issue 9110
 async_star_cancel_while_paused_test: Skip # Flutter Issue 9110
 await_for_test: Skip # Flutter Issue 9110
 await_for_cancel_test: Skip # Flutter Issue 9110