psql test cases

[yilinxia]

psql tests have been used to help implement duckdb. This issue aims to record all test related issues

1. For test psql_arg_min_max_k_test.l, it should be Test(opt: "Min", arg_opt: TestArgMin(), arg_opt_k: TestArgMinK()); instead of Test(opt: "Max", arg_opt: TestArgMin(), arg_opt_k: TestArgMinK()); for the second rule

[EvgSkv]

Thanks for reporting! Fixed it.

[yilinxia]

2. DuckDB is using True and False for Boolean instead of 0 and 1. When running the test psql_bool_test, we need ensure that it is comparable.