Currently, tests executed during chart deployment use the wait timeout
value, `wait.timeout`. This value can be too large of a timeout value
for Helm tests. This change introduces a timeout for tests,
`test.timeout` that is only used as a timeout for running Helm tests for
a release.
Story: 2003899
Depends-On: https://review.openstack.org/618355
Change-Id: Iee746444d5aede0b84b1805eb19f59f0f03c8f9e