updated test cases for numeric functions.

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization_temp_missing_tests@1338 eaa15691-b419-025a-1212-ee371bd00084
diff --git a/asterix-app/src/test/resources/runtimets/queries/numeric/abs4.aql b/asterix-app/src/test/resources/runtimets/queries/numeric/abs4.aql
index b2db5fd..03d145f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/numeric/abs4.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/numeric/abs4.aql
@@ -5,4 +5,4 @@
 write output to nc1:"rttest/numeric_abs4.adm";
 
 let $c0 := int8("-20")
-return {"f0": numeric-abs($c0), "f1": numeric-abs(-1.11),"f2": numeric-abs(12.9), "f3": numeric-abs(1.11)}
+return {"f0": numeric-abs($c0), "f1": numeric-abs(-1.11),"f2": numeric-abs(12.9), "f3": numeric-abs(1.11), "f4": numeric-abs(null)}