[build.start]: handle harbor timeout error
- handle timeout error when creating new harbor repo
- make improvements to test
Bug: T345903 Signed-off-by: Ndibe Raymond Olisaemeka rolisaemeka-ctr@wikimedia.org
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Bug: T345903 Signed-off-by: Ndibe Raymond Olisaemeka rolisaemeka-ctr@wikimedia.org