Validate that an uploaded package has a LICENSE file.

utils/tests/pub/pub_lish_test.dart

Index: utils/tests/pub/pub_lish_test.dart
diff --git a/utils/tests/pub/pub_lish_test.dart b/utils/tests/pub/pub_lish_test.dart
index 1bfa3d6cfb69a2c347d2016380c7159ad693903d..eb7dca0e7b5348539446676e8978c827f853877f 100644
--- a/utils/tests/pub/pub_lish_test.dart
+++ b/utils/tests/pub/pub_lish_test.dart
@@ -47,7 +47,12 @@ void handleUpload(ScheduledServer server) {
 }
 
 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('archives and uploads a package', () {
     var server = new ScheduledServer();