Add an HTTP/2 test for e18.vtc.

src/tests/e00018.vtc

 varnishtest "Test XML 1.0 entity references"
 
 server s1 {
-	rxreq
-	expect req.url == "/"
-	txresp -body {
+	loop 2 {
+		rxreq
+			expect req.url == "/"
+				txresp -body {
 		<esi:include src="&amp;"/>
 		<esi:include src="&lt;"/>
 		<esi:include src="&gt;"/>
 		<esi:include src="&apos;"/>
 		<esi:include src="&quot;"/>
 	}
+	}
 } -start
 
 server s2 {
 	rxreq
 	expect req.url == "/&"
 	txresp -body "1"
+	rxreq
+	expect req.url == "/&"
+	txresp -body "1"
 } -start
 
 server s3 {
 	rxreq
 	expect req.url == "/<"
 	txresp -body "22"
+	rxreq
+	expect req.url == "/<"
+	txresp -body "22"
 } -start
 
 server s4 {
 	rxreq
 	expect req.url == "/>"
 	txresp -body "333"
+	rxreq
+	expect req.url == "/>"
+	txresp -body "333"
 } -start
 
 server s5 {
 	rxreq
 	expect req.url == {/'}
 	txresp -body "4444"
+	rxreq
+	expect req.url == {/'}
+	txresp -body "4444"
 } -start
 
 server s6 {
 	rxreq
 	expect req.url == {/"}
 	txresp -body "55555"
+	rxreq
+	expect req.url == {/"}
+	txresp -body "55555"
 } -start
 
-varnish v1 -arg "-p thread_pool_min=100" -arg "-p debug=+syncvsl,+processors" -vcl+backend {
+varnish v1 -arg "-p thread_pool_min=100" -vcl+backend {
 	import ${vmod_pesi};
 
 	sub vcl_recv {
@@ -85,4 +102,31 @@ client c1 {
 	rxresp
 	expect resp.status == 200
 	expect resp.bodylen == 32
+	expect resp.body == {
+		1
+		22
+		333
+		4444
+		55555
+	}
+} -run
+
+## HTTP/2
+
+varnish v1 -cliok "param.set feature +http2"
+
+client c1 {
+	stream 1 {
+		txreq
+		rxresp
+		expect resp.status == 200
+		expect resp.bodylen == 32
+		expect resp.body == {
+		1
+		22
+		333
+		4444
+		55555
+	}
+	} -run
 } -run