Use indentation for maps in lockfile.

sdk/lib/_internal/pub/test/lock_file_test.dart

Index: sdk/lib/_internal/pub/test/lock_file_test.dart
diff --git a/sdk/lib/_internal/pub/test/lock_file_test.dart b/sdk/lib/_internal/pub/test/lock_file_test.dart
index 8b05d9d06b6006ff489a53d512958f0f3d52958d..2145bb18a90c9ef83adc597ef27829a93903765b 100644
--- a/sdk/lib/_internal/pub/test/lock_file_test.dart
+++ b/sdk/lib/_internal/pub/test/lock_file_test.dart
@@ -188,29 +188,6 @@ packages:
           }
         }));
       });
-
-      test('lockfile is alphabetized by package name', () {
-        var testNames = ['baz', 'Qwe', 'Q', 'B', 'Bar', 'bar', 'foo'];
-        testNames.forEach((name) {
-          lockfile.packages[name] = new PackageId(name, mockSource.name,
-            new Version.parse('5.5.5'), '$name desc');
-        });
-
-        expect(lockfile.serialize(),
-          '# Generated by pub\n'
-          '# See http://pub.dartlang.org/doc/glossary.html#lockfile\n'
-          '\n'
-          '{"packages":{'
-          '"B":{"version":"5.5.5","source":"mock","description":"B desc"},'
-          '"Bar":{"version":"5.5.5","source":"mock","description":"Bar desc"},'
-          '"Q":{"version":"5.5.5","source":"mock","description":"Q desc"},'
-          '"Qwe":{"version":"5.5.5","source":"mock","description":"Qwe desc"},'
-          '"bar":{"version":"5.5.5","source":"mock","description":"bar desc"},'
-          '"baz":{"version":"5.5.5","source":"mock","description":"baz desc"},'
-          '"foo":{"version":"5.5.5","source":"mock","description":"foo desc"}}}'
-          '\n'
-        );
-      });
     });
   });
 }