modify number of planned tests

Author: bipashabg

pgtap/ordering/sloan/edge_cases.pg

@@ -20,7 +20,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 BEGIN;
 
 UPDATE edges SET cost = sign(cost), reverse_cost = sign(reverse_cost);
-SELECT CASE WHEN NOT min_version('4.0.0') THEN plan(1) ELSE plan(5) END;
+SELECT CASE WHEN NOT min_version('4.0.0') THEN plan(1) ELSE plan(6) END;
 
 
 CREATE OR REPLACE FUNCTION edge_cases()
@@ -85,8 +85,14 @@ RETURN QUERY
 SELECT set_eq('q5', $$VALUES (1, 3), (2, 7)$$, 'Should have both vertices');
 PERFORM todo_end();
 
--- 7 -- 3 -- 7 -- 11 ;3 vertices test (connected)
+-- 3 vertices test (connected)
 
+PREPARE q6 AS
+SELECT *
+FROM pgr_sloanOrdering('SELECT id, source, target, cost, reverse_cost FROM edges WHERE id <= 2');
+
+RETURN QUERY
+SELECT set_eq('q6', $$VALUES (6, 1), (7, 3), (4, 6)$$, 'Ordering of three connected vertices');
 
 END;
 $BODY$