[tracker] tests: Add <unknown> to unit test case

[Philip Van Hoof <pvanhoof src gnome org>]

commit 44d25821f213fe1e9412c01ded25d9e138cd038c
Author: Philip Van Hoof <philip codeminded be>
Date:   Mon Jun 7 19:14:48 2010 +0300

    tests: Add <unknown> to unit test case

 tests/libtracker-data/expr-ops/query-res-1.rq |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/libtracker-data/expr-ops/query-res-1.rq b/tests/libtracker-data/expr-ops/query-res-1.rq
index b72ae86..8456b7e 100755
--- a/tests/libtracker-data/expr-ops/query-res-1.rq
+++ b/tests/libtracker-data/expr-ops/query-res-1.rq
@@ -1,5 +1,5 @@
 PREFIX : <http://example.org/>
 SELECT ?s WHERE {
     ?s a :B .
-    FILTER((!(?s = <a> || ?s = <b>))) .
+    FILTER((!(?s = <a> || ?s = <b> || ?s = <unknown>))) .
 }