test: valgrind case

tests/script/tsim/valgrind/checkError6.sim

@@ -104,7 +104,7 @@ sql select length("abcd1234"), char_length("abcd1234=-+*") from stb
 sql select tbcol4, length(tbcol4), lower(tbcol4), upper(tbcol4), ltrim(tbcol4), rtrim(tbcol4), concat(tbcol4, tbcol5), concat_ws('_', tbcol4, tbcol5), substr(tbcol4, 1, 4)  from stb
 sql select * from stb where tbcol not in (1,2,3,null);
 sql select * from stb where tbcol + 3 <> null;
-sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from $mt where tbcol = 1 and tbcol2 = 1 and tbcol3 = 1 partition by tgcol3 interval(1d) order by tgcol3 desc
+sql select count(tbcol), avg(tbcol), sum(tbcol), min(tbcol), max(tbcol), first(tbcol), last(tbcol) from stb where tbcol = 1 and tbcol2 = 1 and tbcol3 = 1 partition by tgcol interval(1d)
 
 print =============== step5: explain
 sql explain analyze select ts from stb where -2;