Add an HTTP/2 test for e13.vtc.

src/tests/e00013.vtc

 varnishtest "All white-space object, in multiple storage segments"
 
 server s1 {
-	rxreq
-	expect req.url == "/foo"
-	txresp -nolen -hdr "Transfer-Encoding: chunked"
-	chunked {<x>                                      }
-	chunkedlen 0
+	loop 2 {
+		rxreq
+		expect req.url ~ {^/foo\d$}
+		txresp -nolen -hdr "Transfer-Encoding: chunked"
+		chunked {<x>                                      }
+		chunkedlen 0
+	}
 } -start
 
 varnish v1 -vcl+backend {
@@ -23,8 +25,24 @@ varnish v1 -vcl+backend {
 varnish v1 -cliok "debug.fragfetch 4"
 
 client c1 {
-	txreq -url /foo
+	txreq -url /foo1
 	rxresp
+	expect resp.bodylen == 41
+	expect resp.body == {<x>                                      }
 } -run
 
 varnish v1 -expect esi_errors == 0
+
+## HTTP/2
+
+varnish v1 -cliok "param.set feature +http2"
+
+client c1 {
+	stream 1 {
+		txreq -url /foo2
+		rxresp
+		expect resp.status == 200
+		expect resp.bodylen == 41
+		expect resp.body == {<x>                                      }
+	} -run
+} -run