Validate that an uploaded package has a LICENSE file.

utils/tests/pub/oauth2_test.dart

Index: utils/tests/pub/oauth2_test.dart
diff --git a/utils/tests/pub/oauth2_test.dart b/utils/tests/pub/oauth2_test.dart
index e739a96adaa21707d87d6e3b71c6de4dd23edf37..d8d867a66bd484bcc4a4ea3376bb42e54833df6c 100644
--- a/utils/tests/pub/oauth2_test.dart
+++ b/utils/tests/pub/oauth2_test.dart
@@ -15,7 +15,12 @@ import '../../pub/io.dart';
 import '../../pub/utils.dart';
 
 main() {
-  setUp(() => dir(appPath, [libPubspec("test_pkg", "1.0.0")]).scheduleCreate());
+  setUp(() {
+    dir(appPath, [
+      libPubspec("test_pkg", "1.0.0"),
+      file("LICENSE", "Eh, do what you want.")
+    ]).scheduleCreate();
+  });
 
   test('with no credentials.json, authenticates and saves credentials.json',
       () {