Adopted more legacy tests and removed search API from collections

Change-Id: I30d544b3f09b2b4971e2c39e793894498a62778e
diff --git a/src/test/resources/queries/bsp-context-sentence.jsonld b/src/test/resources/queries/bsp-context-sentence.jsonld
index 28488b3..3ba2e94 100644
--- a/src/test/resources/queries/bsp-context-sentence.jsonld
+++ b/src/test/resources/queries/bsp-context-sentence.jsonld
@@ -10,6 +10,13 @@
 	    "match":"match:eq"
 	}
     },
+  "collection" : {
+    "@type": "koral:doc",
+    "key": "corpusID",
+    "match": "match:eq",
+    "value": "WPD",
+    "type": "type:string"
+  },     
     "collections":[
 	{
 	    "@type":"koral:meta-filter",