[gardening] Mark more large list sorts as slow.

These are tests split off from _A01_t02 in the resolution to
https://github.com/dart-lang/co19/issues/198.

Also removing the Timeout markers from the original tests,
since they should be smaller and thus no longer causing
timeouts.

Change-Id: I07699ae41a0c8e3f892cca5e29855b52fe7c2829
Reviewed-on: https://dart-review.googlesource.com/c/88570
Reviewed-by: Stevie Strickland <sstrickl@google.com>
Commit-Queue: Stevie Strickland <sstrickl@google.com>
diff --git a/tests/co19_2/co19_2-kernel.status b/tests/co19_2/co19_2-kernel.status
index 24dd7b5..f90927f 100644
--- a/tests/co19_2/co19_2-kernel.status
+++ b/tests/co19_2/co19_2-kernel.status
@@ -477,9 +477,11 @@
 LibTest/isolate/Isolate/spawn_A06_t03: Crash, Pass
 
 [ $runtime == vm && $system == macos && ($compiler == dartk || $compiler == dartkb) ]
-LibTest/collection/ListBase/ListBase_class_A01_t02: Timeout, Pass, Slow # https://github.com/dart-lang/co19/issues/198
-LibTest/collection/ListMixin/ListMixin_class_A01_t02: Timeout, Pass, Slow # https://github.com/dart-lang/co19/issues/198
-LibTest/core/List/List_class_A01_t02: Timeout, Pass, Slow # https://github.com/dart-lang/co19/issues/198
+LibTest/collection/ListBase/ListBase_class_A01_t02: Pass, Slow
+LibTest/collection/ListMixin/ListMixin_class_A01_t02: Pass, Slow
+LibTest/collection/ListMixin/ListMixin_class_A01_t03: Pass, Slow
+LibTest/core/List/List_class_A01_t02: Pass, Slow
+LibTest/core/List/List_class_A01_t03: Pass, Slow
 LibTest/io/Directory/watch_A01_t02: RuntimeError, Pass
 LibTest/io/Directory/watch_A02_t01: RuntimeError, Pass
 LibTest/io/FileSystemCreateEvent/isDirectory_A01_t03: RuntimeError, Pass