Create binstubs for executables when activating a package.

sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart
index 090a437ef231f20a22df695215df236ae648b7c9..2cd4ba0b04bd5a6fd13ffe3a60c40f9375dd3a5a 100644
--- a/sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/unexpected_arguments_test.dart
@@ -1,3 +1,4 @@
+import 'package:scheduled_test/scheduled_test.dart';
 import '../../../lib/src/exit_codes.dart' as exit_codes;
 import '../../test_pub.dart';
 main() {
@@ -5,15 +6,7 @@ main() {
   integration('fails if there are extra arguments', () {
     schedulePub(
         args: ["global", "activate", "foo", "1.0.0", "bar", "baz"],
-        error: """
-            Unexpected arguments "bar" and "baz".
-
-            Usage: pub global activate <package...>
-            -h, --help      Print usage information for this command.
-            -s, --source    The source used to find the package.
-                            [git, hosted (default), path]
-
-            Run "pub help" to see global options.""",
+        error: contains('Unexpected arguments "bar" and "baz".'),
         exitCode: exit_codes.USAGE);
   });
 }