Don't implicitly run "pub get".

test/build/outputs_results_to_json_test.dart

 // Copyright (c) 2014, 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.
 
 // Dart2js can take a long time to compile dart code, so we increase the timeout
 // to cope with that.
 @Timeout.factor(3)
 
 import 'package:scheduled_test/scheduled_test.dart';
 
 import '../descriptor.dart' as d;
 import '../test_pub.dart';
 
 main() {
   integration("outputs results to JSON in a successful build", () {
     d.dir(appPath, [
       d.appPubspec(),
       d.dir('web', [
         d.file('main.dart', 'void main() => print("hello");')
       ])
     ]).create();
 
-    schedulePub(args: ["build", "--format", "json"],
-        outputJson: {
-          'buildResult': 'success',
-          'outputDirectory': 'build',
-          'numFiles': 1,
-          'log': [
-            {
-              'level': 'Info',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': 'Compiling myapp|web/main.dart...'
-            },
-            {
-              'level': 'Info',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': contains(r'to compile myapp|web/main.dart.')
-            },
-            {
-              'level': 'Fine',
-              'transformer': {
-                'name': 'Dart2JS',
-                'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
-              },
-              'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
-              'message': contains(r'Took')
-            }
-          ]
-        });
+    pubGet();
+    schedulePub(args: ["build", "--format", "json"], outputJson: {
+      'buildResult': 'success',
+      'outputDirectory': 'build',
+      'numFiles': 1,
+      'log': [
+        {
+          'level': 'Info',
+          'transformer': {
+            'name': 'Dart2JS',
+            'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
+          },
+          'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
+          'message': 'Compiling myapp|web/main.dart...'
+        },
+        {
+          'level': 'Info',
+          'transformer': {
+            'name': 'Dart2JS',
+            'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
+          },
+          'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
+          'message': contains(r'to compile myapp|web/main.dart.')
+        },
+        {
+          'level': 'Fine',
+          'transformer': {
+            'name': 'Dart2JS',
+            'primaryInput': {'package': 'myapp', 'path': 'web/main.dart'}
+          },
+          'assetId': {'package': 'myapp', 'path': 'web/main.dart'},
+          'message': contains(r'Took')
+        }
+      ]
+    });
   });
 }