Usa backend None in the VTC tests.

src/tests/00basic.vtc

@@ -4,10 +4,10 @@ varnishtest "vcl.use and .discard, and version strings"
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 } -start
 
-varnish v1 -vcl {backend b { .host = "${bad_ip}"; }}
+varnish v1 -vcl {backend b None;}
 
 varnish v1 -cli "vcl.list"
 varnish v1 -cli "vcl.use vcl1"
@@ -22,7 +22,7 @@ varnish v1 -cli "vcl.list"
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_recv {
 		return(synth(200));

src/tests/blob.vtc

@@ -7,7 +7,7 @@ shell {echo -n "foo bar baz quux" > ${tmpdir}/blob}
 varnish v1 -vcl {
 	import ${vmod_file};
 	import blob;
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/blob", ttl=0.1s);

src/tests/errors.vtc

@@ -6,7 +6,7 @@ shell {touch ${tmpdir}/error}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/error", ttl=0.1s);

src/tests/get.vtc

@@ -6,7 +6,7 @@ shell {echo -n "foo bar baz quux" > ${tmpdir}/file}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/file");
@@ -33,7 +33,7 @@ shell {ln -s ${tmpdir}/file ${tmpdir}/link}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/link");
@@ -53,7 +53,7 @@ client c1 -run
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/file", ttl=0.1s,
@@ -131,7 +131,7 @@ shell {echo -n "The quick brown fox jumps over the lazy dog." > ${tmpdir}/fox}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/fox", ttl=0s);
@@ -169,7 +169,7 @@ client c1 {
 
 varnish v1 -errvcl {cannot open} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/nosuchfile");
@@ -178,7 +178,7 @@ varnish v1 -errvcl {cannot open} {
 
 varnish v1 -errvcl {not a regular file} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}");
@@ -189,7 +189,7 @@ shell {ln -s ${tmpdir} ${tmpdir}/dirlink}
 
 varnish v1 -errvcl {not a regular file} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/dirlink");
@@ -198,7 +198,7 @@ varnish v1 -errvcl {not a regular file} {
 
 varnish v1 -errvcl {vmod file failure: new rdr: name is empty} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("");
@@ -207,7 +207,7 @@ varnish v1 -errvcl {vmod file failure: new rdr: name is empty} {
 
 varnish v1 -errvcl {vmod file failure: new rdr: ttl -1.000 must be >= 0s} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("foo", ttl=-1s);

src/tests/info.vtc

@@ -6,7 +6,7 @@ shell {echo -n "foo bar baz quux" > ${tmpdir}/sz}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/sz", ttl=0.1s);
@@ -81,7 +81,7 @@ shell {touch ${tmpdir}/mtime}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/mtime", ttl=0.1s);
@@ -115,7 +115,7 @@ shell {touch ${tmpdir}/nxtchk}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/nxtchk", ttl=0.1s);
@@ -150,7 +150,7 @@ shell {touch ${tmpdir}/deleteme}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/deleteme", ttl=0.1s);

src/tests/path.vtc

@@ -11,7 +11,7 @@ shell {
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new d1 = file.reader("pathtest",
@@ -41,7 +41,7 @@ client c1 {
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new d1 = file.reader("pathtest",
@@ -68,7 +68,7 @@ shell {echo -n "2 only" > ${tmpdir}/d2/pathtest}
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new d1 = file.reader("pathtest", path="${tmpdir}/d1");
@@ -96,7 +96,7 @@ client c1 {
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new tmp1 = file.reader("pathtest", path="${tmpdir}/d1:");
@@ -129,7 +129,7 @@ shell {
 
 varnish v1 -errvcl {new rdr: unreadable not found or not readable on path} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("unreadable", path="${tmpdir}");
@@ -141,7 +141,7 @@ shell {rm -f ${tmpdir}/d2/pathtest}
 
 varnish v1 -errvcl {new rdr: pathtest not found or not readable on path} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("pathtest",
@@ -151,7 +151,7 @@ varnish v1 -errvcl {new rdr: pathtest not found or not readable on path} {
 
 varnish v1 -errvcl {new rdr: path is empty} {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("pathtest", path="");

src/tests/synth.vtc

@@ -9,7 +9,7 @@ shell {
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new synth = file.reader("${tmpdir}/synth", ttl=0.1s);
@@ -79,7 +79,7 @@ shell {
 
 varnish v1 -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr = file.reader("${tmpdir}/synth");

src/tests/temperature.vtc

@@ -8,7 +8,7 @@ shell {echo -n "foo bar baz quux" > ${tmpdir}/file}
 # it possible to check the effects of temperature changes.
 varnish v1 -arg "-p debug=+vclrel" -vcl {
 	import ${vmod_file};
-	backend b { .host = "${bad_ip}"; }
+	backend b None;
 
 	sub vcl_init {
 		new rdr1 = file.reader("${tmpdir}/file", ttl=0.1s,
@@ -46,7 +46,7 @@ logexpect l1 -v v1 -d 1 -g raw -q "Debug" {
 	expect * * Debug	{^vmod file: vcl1\.rdr\d: check for \S+ finished successfully at}
 } -run
 
-varnish v1 -vcl { backend b { .host = "${bad_ip}"; } }
+varnish v1 -vcl { backend b None; }
 
 varnish v1 -cliok "vcl.state vcl1 cold"
 varnish v1 -cliok "vcl.list"