flaky system test: Test if all c8y services are up in service_monitoring.robot

[albinsuresh]

Describe the bug

Test failure in CI run: https://github.com/thin-edge/thin-edge.io/actions/runs/6783385820/job/18437730578?pr=2424

2023-11-07 11:13:28.840047 [PID:58115] [3] [ID:26] Execution failed in Tests.Cumulocity.Service Monitoring.Service Monitoring with 1 failing test(s)
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Tests                                                                         
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Tests.Cumulocity                                                              
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Tests.Cumulocity.Service Monitoring                                           
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Tests.Cumulocity.Service Monitoring.Service Monitoring                        
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Test if all c8y services are up                                       | FAIL |
AssertionError
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Test if all c8y services are down                                     | PASS |
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Test if all c8y services are using configured service type            | PASS |
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Test if all c8y services using default service type when service t... | PASS |
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Check health status of tedge-mapper-c8y service on broker stop start  | PASS |
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Check health status of tedge-mapper-c8y service on broker restart ... | PASS |
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Check health status of child device service :: Test service status... | PASS |
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Tests.Cumulocity.Service Monitoring.Service Monitoring                | FAIL |
7 tests, 6 passed, 1 failed
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Tests.Cumulocity.Service Monitoring                                   | FAIL |
7 tests, 6 passed, 1 failed
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Screenshots

Robot Results

:white_check_mark: Passed	:x: Failed	:next_track_button: Skipped	Total	Pass %	:stopwatch: Duration
355	1	3	356	99.72	57m29.898999999s

Failed Tests

Name	Message	:stopwatch: Duration	Suite
Test if all c8y services are up	AssertionError	174.204 s	Service Monitoring

Environment (please complete the following information):

• OS [incl. version]
• Hardware [incl. revision]
• System-Architecture [e.g. result of "uname -a"]
• thin-edge.io version [e.g. 0.1.0]

Additional context

[reubenmiller]

I suspect that this test suffers from the same problem as this other test in the same suite:

• https://github.com/thin-edge/thin-edge.io/issues/2423

[reubenmiller]

Closing as issue has not been seen for 2 weeks after merging the fix. Please reopen if it is seen again