Adjust to range filter improvements in Varnish-Cache

Ref: 7da66c9b03f82b97e2476d5d0af62e58e0419216

src/tests/e00015.vtc

@@ -94,8 +94,6 @@ varnish v1 -syntax 4.1 -vcl+backend {
 	}
 }
 
-# Note on Range requests: The range VDP is active, but as it cannot
-# reliably determine the size of the response, it falls back to a 200
 client c1 {
 	txreq -url /top2
 	rxresp
@@ -111,11 +109,10 @@ client c1 {
 	expect resp.http.was == true
 	expect resp.http.filters == "pesi"
 
-	# see Note on Range above
 	txreq -url "/esi" -hdr "Range: bytes=1-2"
 	rxresp
-	expect resp.bodylen == 76
-	expect resp.status == 200
+	expect resp.bodylen == 2
+	expect resp.status == 206
 	expect resp.http.was == true
 	expect resp.http.filters == "pesi range"
 
@@ -126,11 +123,10 @@ client c1 {
 	expect resp.http.was == true
 	expect resp.http.filters == "pesi gunzip"
 
-	# see Note on Range above
 	txreq -url "/recurse" -hdr "Range: bytes=1-2"
 	rxresp
-	expect resp.bodylen == 120
-	expect resp.status == 200
+	expect resp.bodylen == 2
+	expect resp.status == 206
 	expect resp.http.was == true
 	expect resp.http.filters == "pesi gunzip range"
 } -run