[4.1] f108ad6 Adapt some test cases from master to avoid regression

[PÃ¥l Hermunn Johansen]

commit f108ad62d1ce2e3d1fd13c2462cf9b91765d5d4f
Author: Pål Hermunn Johansen <hermunn at varnish-software.com>
Date:   Thu Apr 12 10:28:51 2018 +0200

    Adapt some test cases from master to avoid regression
    
    Back port two VCC test cases from the master branch. The latter is from
    4b48f886a5d9937fbd5b56a1560c755d by Nils Goroll <nils.goroll at uplex.de>

diff --git a/bin/varnishtest/tests/v00016.vtc b/bin/varnishtest/tests/v00016.vtc
index 990f39e..549f11c 100644
--- a/bin/varnishtest/tests/v00016.vtc
+++ b/bin/varnishtest/tests/v00016.vtc
@@ -127,3 +127,24 @@ varnish v1 -errvcl {Backend not found: 'c'} {
 		}
 	}
 }
+
+varnish v1 -errvcl {Regexp compilation error:} {
+	backend b { .host = "127.0.0.1"; }
+	sub vcl_recv {
+		if (req.url ~ "[a") {}
+	}
+}
+
+varnish v1 -errvcl {Undefined acl foo} {
+	import ${vmod_directors};
+	backend b { .host = "127.0.0.1"; }
+
+	sub vcl_init {
+		new foo = directors.round_robin();
+	}
+	sub vcl_recv {
+		if (client.ip ~ foo) {
+			return (synth(200));
+		}
+	}
+}