Cleanup win testcase to always be deterministic

Also remove some whitespace

mysql-test/r/win.result

@@ -83,27 +83,27 @@ insert into t2 values
 select pk, a, rank() over (order by a) from t2;
 pk	a	rank() over (order by a)
 1	0	1
+10	4	9
 2	0	1
 3	1	3
 4	1	3
-8	2	5
 5	2	5
 6	2	5
 7	2	5
+8	2	5
 9	4	9
-10	4	9
 select pk, a, rank() over (order by a desc) from t2;
 pk	a	rank() over (order by a desc)
 1	0	9
+10	4	1
 2	0	9
 3	1	7
 4	1	7
-8	2	3
 5	2	3
 6	2	3
 7	2	3
+8	2	3
 9	4	1
-10	4	1
 drop table t2;
 #
 # Try Aggregates as window functions. With frames.

mysql-test/t/win.test

@@ -82,7 +82,9 @@ insert into t2 values
 ( 9 , 4),
 (10 , 4);
 
+--sorted_result
 select pk, a, rank() over (order by a) from t2;
+--sorted_result
 select pk, a, rank() over (order by a desc) from t2;
 
 drop table t2;