Network / firewall ?

assert   
  - COUNT 1
  + Statement failed, SQLSTATE = 08006
  + Unable to complete network request to host "localhost".
  + -Failed to establish a connection.
  + Statement failed, SQLSTATE = 08006
  + Unable to complete network request to host "localhost".
  + -Failed to establish a connection.

LOG DETAILS:

2025-07-20 18:12:09.047
2025-07-20 18:12:09.047 act = <firebird.qa.plugin.Action object at [hex]>
2025-07-20 18:12:09.047 db_tmp = WindowsPath('H:/QA/temp/qa2024.tmp/fbqa/test_11518/gh_7288.tmp.fdb')
2025-07-20 18:12:09.047
2025-07-20 18:12:09.047     @pytest.mark.version('>=3.0.11')
2025-07-20 18:12:09.047     def test_1(act: Action, db_tmp: Path):
2025-07-20 18:12:09.047
2025-07-20 18:12:09.047         chk_sql = f"""
2025-07-20 18:12:09.047             set list on;
2025-07-20 18:12:09.047             -- NB: do NOT use 'set bail on' here!
2025-07-20 18:12:09.047             create database 'localhost:{db_tmp}' user {act.db.user} password '{act.db.password}';
2025-07-20 

[...SKIPPED...]

ase;
2025-07-20 18:12:09.048         """
2025-07-20 18:12:09.048
2025-07-20 18:12:09.048         expected_stdout = "COUNT 1"
2025-07-20 18:12:09.048         act.isql(switches=['-q'], input = chk_sql, charset='utf8', io_enc='utf8', connect_db = False, credentials = False, combine_output = True)
2025-07-20 18:12:09.048 >       assert act.clean_stdout == expected_stdout
2025-07-20 18:12:09.048 E       assert
2025-07-20 18:12:09.048 E         - COUNT 1
2025-07-20 18:12:09.048 E         + Statement failed, SQLSTATE = 08006
2025-07-20 18:12:09.048 E         + Unable to complete network request to host "localhost".
2025-07-20 18:12:09.048 E         + -Failed to establish a connection.
2025-07-20 18:12:09.048 E         + Statement failed, SQLSTATE = 08006
2025-07-20 18:12:09.048 E         + Unable to complete network request to host "localhost".
2025-07-20 18:12:09.048 E         + -Failed to establish a connection.
2025-07-20 18:12:09.048
2025-07-20 18:12:09.048 tests\bugs\gh_7288_test.py:51: AssertionError