Create binstubs for executables when activating a package.

sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart

Index: sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
diff --git a/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..6eafbbd63b2e07080decfbbec143785ab2e478c6
--- /dev/null
+++ b/sdk/lib/_internal/pub_generated/test/global/binstubs/removes_even_if_not_in_pubspec_test.dart
@@ -0,0 +1,21 @@
+import 'package:scheduled_test/scheduled_test.dart';
+import '../../descriptor.dart' as d;
+import '../../test_pub.dart';
+main() {
+  initConfig();
+  integration("removes all binstubs for package", () {
+    d.dir("foo", [d.pubspec({
+        "name": "foo",
+        "executables": {
+          "foo": null
+        }
+      }),
+          d.dir("bin", [d.file("foo.dart", "main() => print('ok');")])]).create();
+    schedulePub(args: ["global", "activate", "--source", "path", "../foo"]);
+    d.dir("foo", [d.pubspec({
+        "name": "foo"
+      })]).create();
+    schedulePub(args: ["global", "deactivate", "foo"]);
+    d.dir(cachePath, [d.dir("bin", [d.nothing("foo")])]).validate();
+  });
+}