avoid name duplication.
diff --git a/BUILD b/BUILD
index 9636497..11f00b8 100644
--- a/BUILD
+++ b/BUILD
@@ -549,7 +549,7 @@
 )
 
 internal_protobuf_py_tests(
-    name = "python_tests",
+    name = "python_tests_batch",
     modules = [
         "descriptor_database_test",
         "descriptor_pool_test",