Revert "Fix observatory tests broken by running dartfmt."

runtime/observatory/tests/service/get_isolate_rpc_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // 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.
 // VMOptions=--error_on_bad_type --error_on_bad_override
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
 
 import 'test_helper.dart';
 
@@ skipping 22 matching lines @@
     expect(result['_heaps']['old']['type'], equals('HeapSpace'));
   },
 
   (VM vm) async {
     var params = {
       'isolateId': 'badid',
     };
     bool caughtException;
     try {
       await vm.invokeRpcNoUpgrade('getIsolate', params);
-      expect(false, isTrue, reason: 'Unreachable');
-    } on ServerRpcException catch (e) {
+      expect(false, isTrue, reason:'Unreachable');
+    } on ServerRpcException catch(e) {
       caughtException = true;
       expect(e.code, equals(ServerRpcException.kInvalidParams));
-      expect(e.message, "getIsolate: invalid 'isolateId' parameter: badid");
+      expect(e.message,
+             "getIsolate: invalid 'isolateId' parameter: badid");
     }
     expect(caughtException, isTrue);
   },
 
   // Plausible isolate id, not found.
   (VM vm) async {
     var params = {
       'isolateId': 'isolates/9999999999',
     };
     var result = await vm.invokeRpcNoUpgrade('getIsolate', params);
     expect(result['type'], equals('Sentinel'));
     expect(result['kind'], equals('Collected'));
     expect(result['valueAsString'], equals('<collected>'));
   },
 ];
 
 main(args) async => runVMTests(args, tests);