Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/test/global/run/uses_old_lockfile_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/run/uses_old_lockfile_test.dart
diff --git a/sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart b/sdk/lib/_internal/pub_generated/test/global/run/uses_old_lockfile_test.dart
similarity index 62%
copy from sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart
copy to sdk/lib/_internal/pub_generated/test/global/run/uses_old_lockfile_test.dart
index 21b41ead1dfc82156b68b994debce6d3a01f7e3a..1bdd6348ec54289cf0230346d2ee8abc02b9d218 100644
--- a/sdk/lib/_internal/pub/test/global/run/uses_old_lockfile_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/run/uses_old_lockfile_test.dart
@@ -12,22 +12,18 @@ main() {
   integration('uses the 1.6-style lockfile if necessary', () {
     servePackages((builder) {
       builder.serve("bar", "1.0.0");
-      builder.serve("foo", "1.0.0", deps: {"bar": "any"}, contents: [
-        d.dir("bin", [
-          d.file("script.dart", """
+      builder.serve("foo", "1.0.0", deps: {
+        "bar": "any"
+      }, contents: [d.dir("bin", [d.file("script.dart", """
               import 'package:bar/bar.dart' as bar;
 
-              main(args) => print(bar.main());""")
-        ])
-      ]);
+              main(args) => print(bar.main());""")])]);
     });
 
     schedulePub(args: ["cache", "add", "foo"]);
     schedulePub(args: ["cache", "add", "bar"]);
 
-    d.dir(cachePath, [
-      d.dir('global_packages', [
-        d.file('foo.lock', '''
+    d.dir(cachePath, [d.dir('global_packages', [d.file('foo.lock', '''
 packages:
   foo:
     description: foo
@@ -36,19 +32,19 @@ packages:
   bar:
     description: bar
     source: hosted
-    version: "1.0.0"''')
-      ])
-    ]).create();
+    version: "1.0.0"''')])]).create();
 
     var pub = pubRun(global: true, args: ["foo:script"]);
     pub.stdout.expect("bar 1.0.0");
     pub.shouldExit();
 
-    d.dir(cachePath, [
-      d.dir('global_packages', [
-        d.nothing('foo.lock'),
-        d.dir('foo', [d.matcherFile('pubspec.lock', contains('1.0.0'))])
-      ])
-    ]).validate();
+    d.dir(
+        cachePath,
+        [
+            d.dir(
+                'global_packages',
+                [
+                    d.nothing('foo.lock'),
+                    d.dir('foo', [d.matcherFile('pubspec.lock', contains('1.0.0'))])])]).validate();
   });
 }