Run dartfmt on all files under runtime.

runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart

Index: runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart
diff --git a/runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart b/runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart
index 9b2a782d7c28051161c2acd534328152088470b1..9a40331cc7e44e42073aa892942918ff025e45dc 100644
--- a/runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart
+++ b/runtime/observatory/tests/observatory_ui/isolate_reconnect/element_test.dart
@@ -17,39 +17,41 @@ main() {
   NotificationRepositoryMock notifications;
   Uri uri;
   const vm = const VMMock(isolates: const [
-    const IsolateMock(id: 'i-1-id'), const IsolateMock(id: 'i-2-id')
+    const IsolateMock(id: 'i-1-id'),
+    const IsolateMock(id: 'i-2-id')
   ]);
   const missing = 'missing-id';
   setUp(() {
     events = new EventRepositoryMock();
     notifications = new NotificationRepositoryMock();
-    uri = new  Uri(path: 'path');
+    uri = new Uri(path: 'path');
   });
   test('instantiation', () {
-    final e = new IsolateReconnectElement(vm, events, notifications, missing,
-                                          uri);
+    final e =
+        new IsolateReconnectElement(vm, events, notifications, missing, uri);
     expect(e, isNotNull, reason: 'element correctly created');
     expect(e.vm, equals(vm));
     expect(e.missing, equals(missing));
     expect(e.uri, equals(uri));
   });
   test('elements created after attachment', () async {
-    final e = new IsolateReconnectElement(vm, events, notifications, missing,
-                                          uri);
+    final e =
+        new IsolateReconnectElement(vm, events, notifications, missing, uri);
     document.body.append(e);
     await e.onRendered.first;
     expect(e.children.length, isNonZero, reason: 'has elements');
     expect(e.querySelector(nTag), isNotNull, reason: 'has notifications');
-    expect(e.querySelectorAll('.isolate-link').length,
-        equals(vm.isolates.length), reason: 'has links');
+    expect(
+        e.querySelectorAll('.isolate-link').length, equals(vm.isolates.length),
+        reason: 'has links');
     e.remove();
     await e.onRendered.first;
     expect(e.children.length, isZero, reason: 'is empty');
   });
   group('updates', () {
     test('are correctly listen', () async {
-      final e = new IsolateReconnectElement(vm, events, notifications, missing,
-                                            uri);
+      final e =
+          new IsolateReconnectElement(vm, events, notifications, missing, uri);
       expect(events.onVMUpdateHasListener, isFalse);
       document.body.append(e);
       await e.onRendered.first;
@@ -59,11 +61,12 @@ main() {
       expect(events.onVMUpdateHasListener, isFalse);
     });
     test('have effects', () async {
-      final e = new IsolateReconnectElement(vm, events, notifications, missing,
-                                            uri);
+      final e =
+          new IsolateReconnectElement(vm, events, notifications, missing, uri);
       const vm2 = const VMMock(isolates: const [
-          const IsolateMock(id: 'i-1-id'), const IsolateMock(id: 'i-2-id'),
-          const IsolateMock(id: 'i-3-id')
+        const IsolateMock(id: 'i-1-id'),
+        const IsolateMock(id: 'i-2-id'),
+        const IsolateMock(id: 'i-3-id')
       ]);
       document.body.append(e);
       await e.onRendered.first;