diff --git a/tests/co19/co19-kernel.status b/tests/co19/co19-kernel.status
index 3254ec0c1e3..93f5c984d48 100644
--- a/tests/co19/co19-kernel.status
+++ b/tests/co19/co19-kernel.status
@@ -2,6 +2,14 @@
 # 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 == dart2wasm ]
+Language/Statements/Continue/async_loops_t07: Skip # https://github.com/dart-lang/sdk/issues/50026
+Language/Statements/Continue/async_loops_t08: Skip # https://github.com/dart-lang/sdk/issues/50026
+LibTest/async/Stream/Stream.fromFutures_all_t01: Skip # https://github.com/dart-lang/sdk/issues/50026
+LibTest/async/Stream/Stream.fromIterable_all_t01: Skip # https://github.com/dart-lang/sdk/issues/50026
+LibTest/async/StreamController/StreamController.broadcast_Stream_all_A01_t01: Skip # https://github.com/dart-lang/sdk/issues/50026
+LibTest/async/StreamController/stream_all_A01_t01: Skip # https://github.com/dart-lang/sdk/issues/50026
+
 [ $runtime == dart_precompiled ]
 LibTest/io/RawDatagramSocket/join_A01_t01: Skip # https://github.com/dart-lang/co19/issues/195
 LibTest/io/RawDatagramSocket/join_A01_t02: Skip # https://github.com/dart-lang/co19/issues/195
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index 7657245232b..f027651243f 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -3148,9 +3148,10 @@
             "language",
             "corelib",
             "web/wasm",
-            "lib/js/static_interop_test"
+            "lib/lib/(async|collection|convert|js/static_interop_test|math|typed_data)/",
+            "co19/co19/(src/)?(Language|LanguageFeatures|LibTest/(async|collection|convert|core|math|typed_data))/"
           ],
-          "shards": 3,
+          "shards": 10,
           "fileset": "dart2wasm_hostasserts"
         }
       ]