Refactor client timeout tests to use simulacron

Description

Client timeout tests use a 2 node ccm cluster and pauses (SIGSTOP, SIGCONT). On Jenkins and AppVeyor we see recurrent failures caused by this suite.

We should migrate the suite to use simulacron delayed responses.

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Assignee

Jorge Bay Gondra

Reporter

Jorge Bay Gondra

Reviewer

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Priority

Major
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