Fix analyzer co19 test expectations for UnsupportedError.

tests/co19/co19-compiler.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.
 
 [ $compiler == dartc ]
 # We are now actually skipping these because of inter-test dependencies.
 Language/13_Libraries_and_Scripts/3_Includes_A01_t23: Skip # TODO(analyzer-team): Please triage this crash.
 
 Language/03_Overview/1_Scoping_A02_t06: Fail # TODO(analyzer-team): Please triage this failure.
 Language/03_Overview/2_Privacy_A01_t04: Fail # TODO(analyzer-team): Please triage this failure.
@@ skipping 221 matching lines @@
 LibTest/core/Queue/forEach_A01_t03: Fail, OK # co19 issue 276
 LibTest/core/Queue/some_A01_t03: Fail, OK # co19 issue 276
 LibTest/core/Queue/every_A01_t03: Fail, OK # co19 issue 276
 LibTest/core/Queue/filter_A01_t03: Fail, OK # co19 issue 276
 LibTest/core/Map/putIfAbsent_A01_t08: Fail, OK # co19 issue 276
 LibTest/core/Map/putIfAbsent_A01_t06: Fail, OK # co19 issue 276
 LibTest/core/Map/forEach_A01_t02: Fail, OK # co19 issue 276
 LibTest/isolate/ReceivePort/receive_A01_t02: Fail, OK # co19 issue 276
 Language/11_Statements/15_Assert_A04_t04: Fail, OK # co19 issue 276
 
+LibTest/core/List/add_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/length_A04_t01: Fail, OK # co19 issue 285
+LibTest/core/List/addAll_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/removeLast_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/List_A01_t02: Fail, OK # co19 issue 285
+LibTest/core/List/clear_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/insertRange_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/removeRange_A02_t01: Fail, OK # co19 issue 285
+LibTest/core/List/addLast_A02_t01: Fail, OK # co19 issue 285
+
 # The following tests use the deprecated catch syntax
 
 Language/06_Functions/3_Type_of_a_Function_A01_t01: Fail, OK
 Language/10_Expressions/15_Method_Invocation/1_Ordinary_Invocation_A05_t07: Fail, OK
 Language/10_Expressions/15_Method_Invocation/4_Super_Invocation_A03_t02: Fail, OK
 Language/10_Expressions/15_Method_Invocation/3_Static_Invocation_A06_t02: Fail, OK
 Language/10_Expressions/15_Method_Invocation/4_Super_Invocation_A07_t01: Fail, OK
 Language/10_Expressions/15_Method_Invocation/3_Static_Invocation_A05_t01: Fail, OK
 Language/10_Expressions/15_Method_Invocation/4_Super_Invocation_A03_t03: Fail, OK
 Language/10_Expressions/15_Method_Invocation/3_Static_Invocation_A04_t02: Fail, OK
@@ skipping 38 matching lines @@
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A05_t03: Fail, OK
 Language/07_Classes/6_Constructors/3_Constant_Constructors_A05_t01: Fail, OK
 Language/03_Overview/2_Privacy_A01_t11: Fail, OK
 Language/03_Overview/1_Scoping_A02_t28: Fail, OK
 Language/03_Overview/2_Privacy_A01_t18: Fail, OK
 Language/03_Overview/2_Privacy_A01_t08: Fail, OK
 
 
 [ $runtime == drt && ($compiler == none || $compiler == frog) ]
 *: Skip