Fix treatment of legacy 'collection' parameter

Change-Id: I12f985e52f839663eada211ba2e48e401764bc83
diff --git a/t/query.t b/t/query.t
index 4532167..9fb1678 100644
--- a/t/query.t
+++ b/t/query.t
@@ -225,10 +225,13 @@
   ->text_is('#total-results', '> 4,274,841');
   ;
 
+$t->app->defaults(no_cache => 1);
+
 # Query with collection
 $t->get_ok('/?q=baum&collection=availability+%3D+%2FCC-BY.*%2F')
   ->status_is(200)
   ->element_exists("input#cq[value='availability = /CC-BY.*/']")
+  ->content_like(qr!\"availability\"!)
   ->text_is('#error','')
   ;
 
@@ -236,6 +239,7 @@
 $t->get_ok('/?q=baum&cq=availability+%3D+%2FCC-BY.*%2F')
   ->status_is(200)
   ->element_exists("input#cq[value='availability = /CC-BY.*/']")
+  ->content_like(qr!\"availability\"!)
   ->text_is('#error','')
   ;