[Fix](regression-test)fix some unfixed-answer test

[sohardforaname]

Proposed changes

Issue Number: close #xxx

Problem summary

delete regression-test/suites/query_p0/sql_functions/math_functions/test_running_difference.sql modify regression-test/suites/query_p0/sql_functions/table_function/explode_json_array.groovy

Checklist(Required)

• [ ] Does it affect the original behavior
• [ ] Has unit tests been added
• [ ] Has document been added or modified
• [ ] Does it need to update dependencies
• [x] Is this PR support rollback (If NO, please explain WHY)

Further comments

If this is a relatively large or complex change, kick off the discussion at [email protected] by explaining why you chose the solution you did and what alternatives you considered, etc...

[sohardforaname]

run buildall

[sohardforaname]

run buildall