Fix interop tests by ensuring non-http-special metadata precedes other metadata
diff --git a/src/core/channel/compress_filter.c b/src/core/channel/compress_filter.c
index 14cb3da..bf02f92 100644
--- a/src/core/channel/compress_filter.c
+++ b/src/core/channel/compress_filter.c
@@ -200,7 +200,7 @@
channeld->default_compression_algorithm;
calld->has_compression_algorithm = 1; /* GPR_TRUE */
}
- grpc_metadata_batch_add_head(
+ grpc_metadata_batch_add_tail(
&(sop->data.metadata), &calld->compression_algorithm_storage,
grpc_mdelem_ref(channeld->mdelem_compression_algorithms
[calld->compression_algorithm]));