[Gardening] Skip co19 tests affected by race until pull request lands

PR https://github.com/dart-lang/co19/pull/204

Change-Id: Id099b04120985d52bd2a255f82b784021d1af1df
Reviewed-on: https://dart-review.googlesource.com/c/87185
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
Auto-Submit: Martin Kustermann <kustermann@google.com>
diff --git a/tests/co19_2/co19_2-kernel.status b/tests/co19_2/co19_2-kernel.status
index 580d21d..1fcfd21 100644
--- a/tests/co19_2/co19_2-kernel.status
+++ b/tests/co19_2/co19_2-kernel.status
@@ -7,6 +7,16 @@
 LibTest/core/List/List_class_A01_t02: Pass, Slow # Does many calls
 LibTest/io/FileSystemCreateEvent/isDirectory_A01_t06: Pass, RuntimeError # https://github.com/dart-lang/co19/issues/186
 LibTest/io/RawDatagramSocket/*: Skip # RawDatagramSocket are flacky. Skip them all until rewritten
+LibTest/io/Stdout/add_A02_t03: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t04: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t05: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t06: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t07: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t08: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/add_A02_t09: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/writeCharCode_A01_t03: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/write_A01_t04: Skip # https://github.com/dart-lang/co19/pull/204
+LibTest/io/Stdout/write_A01_t05: Skip # https://github.com/dart-lang/co19/pull/204
 
 [ $compiler == dartkp ]
 Language/Expressions/Instance_Creation/New/evaluation_t20: RuntimeError