Create binstubs for executables when activating a package.

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

Index: sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart b/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
index fed36abc9be09971d23fe3e9faa1e01aa5f09ac9..372646e886030d80f0a696dc6bcbeb8956a00a4b 100644
--- a/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_test.dart
+++ b/sdk/lib/_internal/pub_generated/test/global/activate/constraint_with_path_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 a version is passed with the path source', () {
     schedulePub(
         args: ["global", "activate", "-spath", "foo", "1.2.3"],
-        error: """
-            Unexpected argument "1.2.3".
-
-            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.
-            """, exitCode: exit_codes.USAGE);
+        error: contains('Unexpected argument "1.2.3".'),
+        exitCode: exit_codes.USAGE);
   });
 }