Adopted more legacy tests and removed search API from collections

Change-Id: I30d544b3f09b2b4971e2c39e793894498a62778e
diff --git a/src/test/resources/queries/metaquery4.jsonld b/src/test/resources/queries/metaquery4.jsonld
index 0b6c263..3673d69 100644
--- a/src/test/resources/queries/metaquery4.jsonld
+++ b/src/test/resources/queries/metaquery4.jsonld
@@ -18,6 +18,26 @@
       "match":"match:eq"
     }
   },
+  "collection" : {
+    "@type": "koral:docGroup",
+    "operation": "operation:and",
+    "operands": [
+      {
+	"@type": "koral:doc",
+	"key": "pubDate",
+	"match": "match:geq",
+	"value": "2000-01-01",
+	"type": "type:date"
+      },
+      {
+	"@type": "koral:doc",
+	"key": "pubDate",
+	"match": "match:leq",
+	"value": "2013-12-31",
+	"type": "type:date"
+      }
+    ]
+  },
   "collections": [
     {
       "@type": "koral:meta-filter",