Fix test

tests/queries/0_stateless/03165_distinct_with_window_func_crash.sql

@@ -9,6 +9,12 @@ CREATE TABLE atable
 ENGINE = MergeTree
 ORDER BY tuple();
 
+-- disable parallelization after window function otherwise
+-- generated pipeline contains enormous number of transformers (should be fixed separately)
+SET query_plan_enable_multithreading_after_window_functions=0;
+-- max_threads is randomized, and can significantly increase number of parallel transformers after window func, so set to small value explicitly
+SET max_threads=3;
+
 SELECT DISTINCT
     loanx_id,
     rating_sp,