test318: tweak the name a little

to make it properly differ from test 317
diff --git a/tests/data/test318 b/tests/data/test318
index 990b637..8d42d0c 100644
--- a/tests/data/test318
+++ b/tests/data/test318
@@ -62,7 +62,7 @@
 http
 </server>
 <name>
-HTTP with custom Authorization: and redirect to new host
+HTTP with custom Authorization: then trusted redirect to new host
 </name>
 <command>
 http://first.host.it.is/we/want/that/page/%TESTNUMBER -x %HOSTIP:%HTTPPORT -H "Authorization: s3cr3t" --proxy-user testing:this --location-trusted