* test: add python test to 3.0 ci and run it

* ci: put taos.h in /usr/include directory

* fix: python test case

* fix: exit 0 with test success
Co-authored-by: Ntangfangzhi <fztang@taosdata.com>

* test: add test case in 3.0

* fix: remove result file

* test: change test cases

* fix: change test case

* test: add test to ci

* test: add test case of taosbenchmark in system-test

* fix: fix test case

* test: unknown error in ci