fix tests with --kernel-dbg option on CI

[RomanBelozerov]

some stress tests don't work on CI with debug kernel. Traceback:

======================================================================
ERROR: test_SettingsFlood (t_stress.test_stress.TestRequestsUnderCtrlFrameFlood)
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Traceback (most recent call last):
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/test_suite/tester.py", line 381, in cleanup_services
    raise error.ServiceStoppingException(self.__exceptions)
helpers.error.ServiceStoppingException: 
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Exception in stopping process for ctrl_frames_flood: Traceback (most recent call last):
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/framework/stateful.py", line 69, in force_stop
    stop_proc()
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/framework/client.py", line 105, in __on_finish
    self.proc_results = self.resq.get(timeout=self.duration)
  File "/usr/lib/python3.10/multiprocessing/queues.py", line 114, in get
    raise Empty
_queue.Empty

---------------------------------------------------------

======================================================================
FAIL: test_SettingsFlood (t_stress.test_stress.TestRequestsUnderCtrlFrameFlood)
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Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/parameterized/parameterized.py", line 620, in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/helpers/dmesg.py", line 163, in func_wrapper
    return __change_dmesg_limit_on_tempesta_node(func, 5, *args, **kwargs)
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/helpers/dmesg.py", line 140, in __change_dmesg_limit_on_tempesta_node
    return func(*args, **kwargs)
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/t_stress/test_stress.py", line 901, in test
    self.wait_while_busy(flood_client, timeout=timeout)
  File "/home/jenkins/workspace/Daily_tests_with_dbg_kernel/tempesta-test/test_suite/tester.py", line 465, in wait_while_busy
    self.assertTrue(success, f"Some of items exceeded the timeout {timeout}s while finishing")
AssertionError: False is not true : Some of items exceeded the timeout 120s while finishing

Tests to reproduce:

t_stress.test_stress.TestRequestsUnderCtrlFrameFlood

TempestaFW - c1d242d9e4e49a65ee35686605209994e6057606
kernel-patch - 5.10.35.tfw-c1b46f4-debug
tempesta-test - ac2ce38

I disabled these tests in job params. Please enable them after fix. http://172.240.91.52:8080/job/Daily_tests_with_dbg_kernel/configure