assert node.contains_in_log(
    "because of the race with list & delete"
) or node_2.contains_in_log("because of the race with list & delete")
E       AssertionError: assert (False or False)
E        +  where False = <bound method ClickHouseInstance.contains_in_log of <helpers.cluster.ClickHouseInstance object at 0xffa1c2da5690>>('because of the race with list & delete')
E        +    where <bound method ClickHouseInstance.contains_in_log of <helpers.cluster.ClickHouseInstance object at 0xffa1c2da5690>> = <helpers.cluster.ClickHouseInstance object at 0xffa1c2da5690>.contains_in_log
E        +  and   False = <bound method ClickHouseInstance.contains_in_log of <helpers.cluster.ClickHouseInstance object at 0xffa1c2da56c0>>('because of the race with list & delete')
E        +    where <bound method ClickHouseInstance.contains_in_log of <helpers.cluster.ClickHouseInstance object at 0xffa1c2da56c0>> = <helpers.cluster.ClickHouseInstance object at 0xffa1c2da56c0>.contains_in_log