[gardening] Fix up name detection in isolate tests.

This change addresses the test failures seen in
https://github.com/dart-lang/sdk/issues/36232.

Change-Id: I062669c07f4963291450b35a46fb73256505c706
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/97220
Auto-Submit: Stevie Strickland <sstrickl@google.com>
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Stevie Strickland <sstrickl@google.com>
diff --git a/runtime/observatory/tests/service/isolate_lifecycle_test.dart b/runtime/observatory/tests/service/isolate_lifecycle_test.dart
index 22f9490..2c428af 100644
--- a/runtime/observatory/tests/service/isolate_lifecycle_test.dart
+++ b/runtime/observatory/tests/service/isolate_lifecycle_test.dart
@@ -109,7 +109,7 @@
     var resumesIssued = 0;
     var isolateList = vm.isolates.toList();
     for (var isolate in isolateList) {
-      if (isolate.name.endsWith('main')) {
+      if (isolate.name.endsWith('main()')) {
         continue;
       }
       try {
diff --git a/runtime/observatory/tests/service/set_name_rpc_test.dart b/runtime/observatory/tests/service/set_name_rpc_test.dart
index 1d743cc..82db745 100644
--- a/runtime/observatory/tests/service/set_name_rpc_test.dart
+++ b/runtime/observatory/tests/service/set_name_rpc_test.dart
@@ -12,6 +12,7 @@
   (Isolate isolate) async {
     expect(
         ((isolate.name == 'set_name_rpc_test.dart:main()') ||
+            (isolate.name == 'out.dill:main()') ||
             (isolate.name == 'out.jitsnapshot:main()')),
         isTrue);