1 files changed, 12 insertions, 0 deletions
diff --git a/caddytest/integration/caddyfile_adapt/header.txt b/caddytest/integration/caddyfile_adapt/header.txt
index 34a044d..95c1474 100644
--- a/caddytest/integration/caddyfile_adapt/header.txt
+++ b/caddytest/integration/caddyfile_adapt/header.txt
@@ -17,6 +17,7 @@
 		+Link "Foo"
 		+Link "Bar"
 	}
+	header >Set Defer
 }
 ----------
 {
@@ -136,6 +137,17 @@
 											]
 										}
 									}
+								},
+								{
+									"handler": "headers",
+									"response": {
+										"deferred": true,
+										"set": {
+											"Set": [
+												"Defer"
+											]
+										}
+									}
 								}
 							]
 						}