Fix type annotation.

sdk/lib/_internal/pub_generated/test/test_pub.dart

Index: sdk/lib/_internal/pub_generated/test/test_pub.dart
diff --git a/sdk/lib/_internal/pub_generated/test/test_pub.dart b/sdk/lib/_internal/pub_generated/test/test_pub.dart
index c16e146273f6b110d824e8bc6f5c1292d9a86304..2bdf396888eed6359c4265fbd9300837c6872927 100644
--- a/sdk/lib/_internal/pub_generated/test/test_pub.dart
+++ b/sdk/lib/_internal/pub_generated/test/test_pub.dart
@@ -283,7 +283,7 @@ void confirmPublish(ScheduledProcess pub) {
 String _pathInSandbox(String relPath) {
   return p.join(p.absolute(sandboxDir), relPath);
 }
-Map getPubTestEnvironment([Uri tokenEndpoint]) {
+Map getPubTestEnvironment([String tokenEndpoint]) {
   var environment = {};
   environment['_PUB_TESTING'] = 'true';
   environment['PUB_CACHE'] = _pathInSandbox(cachePath);
@@ -293,7 +293,7 @@ Map getPubTestEnvironment([Uri tokenEndpoint]) {
   }
   return environment;
 }
-ScheduledProcess startPub({List args, Future<Uri> tokenEndpoint}) {
+ScheduledProcess startPub({List args, Future<String> tokenEndpoint}) {
   ensureDir(_pathInSandbox(appPath));
   var dartBin = Platform.executable;
   if (dartBin.contains(Platform.pathSeparator)) {