add tests

Author: shruti2522

datafusion/sqllogictest/test_files/aggregate.slt

@@ -3842,6 +3842,8 @@ INSERT INTO d VALUES
 
 query ????I
 SELECT max(column1), max(column2), max(column3), max(column4), column5 FROM d GROUP BY column5 ORDER BY column5;
+----
+0 days 0 hours 0 mins 11 secs 0 days 0 hours 0 mins 0.022 secs 0 days 0 hours 0 mins 0.000033 secs 0 days 0 hours 0 mins 0.000000044 secs 1
 
 query ????I
 SELECT min(column1), min(column2), min(column3), min(column4), column5 FROM d GROUP BY column5 ORDER BY column5;