diff --git a/http2/server_test.go b/http2/server_test.go
index baab0f1..9d7b200 100644
--- a/http2/server_test.go
+++ b/http2/server_test.go
@@ -3762,6 +3762,7 @@
 
 func TestServer_Rejects_TooSmall(t *testing.T) {
 	testServerResponse(t, func(w http.ResponseWriter, r *http.Request) error {
+		ioutil.ReadAll(r.Body)
 		return nil
 	}, func(st *serverTester) {
 		st.writeHeaders(HeadersFrameParam{