Run dartfmt on remaining unformated pkg packages

pkg/lookup_map/test/lookup_map_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.
 
 import 'package:lookup_map/lookup_map.dart';
 
 import 'package:test/test.dart';
 
 class Key {
   final int id;
   const Key(this.id);
 }
 
-class A{}
+class A {}
+
 const B = const Key(1);
-class C{}
+
+class C {}
 
 main() {
   test('entries constructor', () {
     var m = const LookupMap(const [
-        A, "the-text-for-A",
-        B, "the-text-for-B",
-        1.2, "the-text-for-1.2"]);
+      A,
+      "the-text-for-A",
+      B,
+      "the-text-for-B",
+      1.2,
+      "the-text-for-1.2"
+    ]);
     expect(m[A], 'the-text-for-A');
     expect(m[B], 'the-text-for-B');
     expect(m[1.2], 'the-text-for-1.2');
     expect(m[C], null);
     expect(m[1.3], null);
   });
 
   test('pair constructor', () {
     var m = const LookupMap<dynamic, String>.pair(A, "the-text-for-A");
     expect(m[A], 'the-text-for-A');
     expect(m[B], null);
   });
 
   test('nested lookup', () {
     var m = const LookupMap(const [],
         const [const LookupMap<dynamic, String>.pair(A, "the-text-for-A")]);
     expect(m[A], 'the-text-for-A');
     expect(m[B], null);
   });
 
   test('entry shadows nested maps', () {
     var m = const LookupMap(const [
-      A, "the-text-for-A2",
+      A,
+      "the-text-for-A2",
     ], const [
       const LookupMap.pair(A, "the-text-for-A1"),
     ]);
     expect(m[A], 'the-text-for-A2');
   });
 
   test('nested maps shadow in order', () {
-    var m = const LookupMap(const [ ], const [
+    var m = const LookupMap(const [], const [
       const LookupMap.pair(A, "the-text-for-A1"),
       const LookupMap.pair(B, "the-text-for-B2"),
       const LookupMap.pair(A, "the-text-for-A2"),
       const LookupMap.pair(B, "the-text-for-B1"),
     ]);
     expect(m[A], 'the-text-for-A2');
     expect(m[B], 'the-text-for-B1');
   });
 
   // This test would fail if dart2js has a bug, but we keep it here for our
   // sanity.
   test('reachable lookups are not tree-shaken', () {
     var m = const LookupMap(const [
-      A, B,
-      B, C,
-      C, 3.4,
+      A,
+      B,
+      B,
+      C,
+      C,
+      3.4,
     ]);
     expect(m[m[m[A]]], 3.4);
   });
 }