Drop support for older Barback versions.

test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart

Index: test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart
diff --git a/test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart b/test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart
index f438919c98a8e1b8683a6bd332886264be512535..65490fca98fe6b088ffef254e867f4582a8f3c44 100644
--- a/test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart
+++ b/test/transformer/runs_a_third_party_transformer_on_a_local_transformer_test.dart
@@ -9,35 +9,33 @@ import '../test_pub.dart';
 import '../serve/utils.dart';
 
 main() {
-  withBarbackVersions("any", () {
-    integration("runs a third-party transformer on a local transformer", () {
-      d.dir("foo", [
-        d.libPubspec("foo", '1.0.0'),
-        d.dir("lib", [
-          d.file("transformer.dart", dartTransformer('foo'))
-        ])
-      ]).create();
+  integration("runs a third-party transformer on a local transformer", () {
+    d.dir("foo", [
+      d.libPubspec("foo", '1.0.0'),
+      d.dir("lib", [
+        d.file("transformer.dart", dartTransformer('foo'))
+      ])
+    ]).create();
 
-      d.dir(appPath, [
-        d.pubspec({
-          "name": "myapp",
-          "transformers": ["foo/transformer", "myapp/transformer"],
-          "dependencies": {"foo": {"path": "../foo"}}
-        }),
-        d.dir("lib", [
-          d.file("transformer.dart", dartTransformer('myapp'))
-        ]),
-        d.dir("web", [
-          d.file("main.dart", 'const TOKEN = "main.dart";')
-        ])
-      ]).create();
+    d.dir(appPath, [
+      d.pubspec({
+        "name": "myapp",
+        "transformers": ["foo/transformer", "myapp/transformer"],
+        "dependencies": {"foo": {"path": "../foo"}}
+      }),
+      d.dir("lib", [
+        d.file("transformer.dart", dartTransformer('myapp'))
+      ]),
+      d.dir("web", [
+        d.file("main.dart", 'const TOKEN = "main.dart";')
+      ])
+    ]).create();
 
-      createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
+    createLockFile('myapp', sandbox: ['foo'], pkg: ['barback']);
 
-      pubServe();
-      requestShouldSucceed("main.dart",
-          'const TOKEN = "((main.dart, foo), (myapp, foo))";');
-      endPubServe();
-    });
+    pubServe();
+    requestShouldSucceed("main.dart",
+        'const TOKEN = "((main.dart, foo), (myapp, foo))";');
+    endPubServe();
   });
 }