test(ssh): Add explicit timeout on child process to avoid hanging. #5951
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Problem
Starting in #5936 some tests started expiring, since fixed in #5954. However, rather than expire, the
SshKeyPair
tests hang because they are stuck in a child process. This leads to these tests failing to timeout, even when exceeding the test timeout threshold.Solution
Add explicit timeout on the child process we use to spawn ssh keys.
License: I confirm that my contribution is made under the terms of the Apache 2.0 license.