Add more text output to service test pause_on_start_then_step_test

runtime/observatory/tests/service/pause_on_start_then_step_test.dart

Index: runtime/observatory/tests/service/pause_on_start_then_step_test.dart
diff --git a/runtime/observatory/tests/service/pause_on_start_then_step_test.dart b/runtime/observatory/tests/service/pause_on_start_then_step_test.dart
index a51112341438e2aa3fbe743a6be990889e9a42d3..8274a8c8dca0b9563f0c4f82f46f8a8042ba55c8 100644
--- a/runtime/observatory/tests/service/pause_on_start_then_step_test.dart
+++ b/runtime/observatory/tests/service/pause_on_start_then_step_test.dart
@@ -69,16 +69,21 @@ var tests = [
     await completer.future;
 
     // Grab the timestamp.
+    print('Getting pausevent timestamp');
     var pausetime2 = isolate.pauseEvent.timestamp;
     expect(pausetime2, isNotNull);
     // Reload the isolate.
+    print('Reloading isolate');
     await isolate.reload();
+    print('Reload finished');
     // Verify that it is the same.
     expect(pausetime2.millisecondsSinceEpoch,
         equals(isolate.pauseEvent.timestamp.millisecondsSinceEpoch));
 
     expect(pausetime2.millisecondsSinceEpoch,
         greaterThan(pausetime1.millisecondsSinceEpoch));
+
+    print('Test finished');
   },
 ];