How to use verify_no_error_output method in lisa

Best Python code snippet using lisa_python

drm.py

Source:drm.py

...68        2. Check no 'Unable to send packet via vmbus' shown up in dmesg output.69        """,70        priority=2,71    )72    def verify_no_error_output(self, node: Node, log: Logger) -> None:73        assert_that(node.tools[Dmesg].get_output(force_run=True)).described_as(74            "this error message is not expected to be seen "75            "if dirt_needed default value is set as false"76        ).does_not_contain("Unable to send packet via vmbus")77    @TestCaseMetadata(78        description="""79        This case is to check connector status using modetest utility for drm.80        Step,81        1. Install tool modetest.82        2. Verify the status return from modetest is connected.83        """,84        priority=2,85    )86    def verify_connection_status(self, node: Node, log: Logger) -> None:...

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