[co19] Constructor Tear Offs tests skipped as not implemented

Change-Id: I27b2ae9b091dbc3649ecf1a6dea8da19f4de5f84
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/200431
Reviewed-by: Erik Ernst <eernst@google.com>
Commit-Queue: Erik Ernst <eernst@google.com>
diff --git a/tests/co19/co19-co19.status b/tests/co19/co19-co19.status
index 832ea0f..bb2f32d 100644
--- a/tests/co19/co19-co19.status
+++ b/tests/co19/co19-co19.status
@@ -2,8 +2,9 @@
 # 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.
 
+LanguageFeatures/Constructor-tear-offs: Skip # not implemented
 LibTest/io/RawDatagramSocket/*: Skip # https://github.com/dart-lang/co19/issues/195
 
 [ $compiler == dart2analyzer ]
-co19/LanguageFeatures/nnbd/static/strong/*: SkipByDesign # Strong mode tests should not be run with analyzer
-co19/LanguageFeatures/nnbd/static/weak/*: SkipByDesign # Weak mode tests should not be run with analyzer
+LanguageFeatures/nnbd/static/strong/*: SkipByDesign # Strong mode tests should not be run with analyzer
+LanguageFeatures/nnbd/static/weak/*: SkipByDesign # Weak mode tests should not be run with analyzer