[ Gardening ] Skip coverage_closure_call_test

Causing various timeouts and infra failures.

Related issue: https://github.com/dart-lang/sdk/issues/47568

TEST=N/A

Change-Id: Ifbe6760faf3029a021aee557f676b08c1779c577
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/218560
Reviewed-by: Ben Konyi <bkonyi@google.com>
diff --git a/runtime/observatory/tests/service/service_kernel.status b/runtime/observatory/tests/service/service_kernel.status
index af626d9..df6722b 100644
--- a/runtime/observatory/tests/service/service_kernel.status
+++ b/runtime/observatory/tests/service/service_kernel.status
@@ -3,6 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 complex_reload_test: Skip # http://dartbug.com/47130
+coverage_closure_call_test: Skip # https://github.com/dart-lang/sdk/issues/47568
 valid_source_locations_test: Pass, Slow
 
 [ $compiler == app_jitk ]
diff --git a/runtime/observatory_2/tests/service_2/service_2_kernel.status b/runtime/observatory_2/tests/service_2/service_2_kernel.status
index 322b922..5627906 100644
--- a/runtime/observatory_2/tests/service_2/service_2_kernel.status
+++ b/runtime/observatory_2/tests/service_2/service_2_kernel.status
@@ -3,6 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 complex_reload_test: Skip # http://dartbug.com/47130
+coverage_closure_call_test: Skip # https://github.com/dart-lang/sdk/issues/47568
 valid_source_locations_test: Pass, Slow
 
 [ $compiler == app_jitk ]