Enable service tests for app snapshots.

runtime/observatory/tests/service/service.status

Index: runtime/observatory/tests/service/service.status
diff --git a/runtime/observatory/tests/service/service.status b/runtime/observatory/tests/service/service.status
index 8cdaef3cde333a5d1bbca641b14a5276ad8cc36c..676e8c456748df2b648dcb449c93858624717f5b 100644
--- a/runtime/observatory/tests/service/service.status
+++ b/runtime/observatory/tests/service/service.status
@@ -43,13 +43,18 @@ process_service_test: Pass, Fail # Issue 24344
 [ $runtime == vm ]
 developer_extension_test: Pass, Fail # Issue 27225
 
-# Service protocol is not supported in product mode.
-[ $mode == product ]
-*: SkipByDesign
-
-# Service protocol is not supported when running a full application snapshot.
 [ $runtime == dart_app ]
-*: SkipByDesign
+address_mapper_test: CompileTimeError # Issue 27806
+capture_stdio_test: CompileTimeError # Issue 27806
+debugger_location_second_test: RuntimeError # Issue 27806
+dev_fs_spawn_test: RuntimeError # Issue 27806
+developer_extension_test: RuntimeError # Issue 27806
+evaluate_activation_test/instance: RuntimeError # Issue 27806
+evaluate_activation_test/scope: RuntimeError # Issue 27806
+get_object_rpc_test: RuntimeError # Issue 27806
+get_source_report_test: RuntimeError # Issue 27806
+set_name_rpc_test: RuntimeError # Issue 27806
+vm_restart_test: CompileTimeError # Issue 27806
 
 [ $compiler == dart2analyzer ]
 evaluate_activation_in_method_class_test: CompileTimeError # Issue 24478
@@ -66,3 +71,7 @@ implicit_getter_setter_test: RuntimeError # Field guards unimplemented.
 [ $system == windows ]
 dev_fs_weird_char_test: Skip # Windows disallows question mark in paths
 dev_fs_http_put_weird_char_test: Skip # Windows disallows carriage returns in paths
+
+# Service protocol is not supported in product mode.
+[ $mode == product ]
+*: SkipByDesign