Hi Amit,
The problem you see in this job https://validation.linaro.org/scheduler/job/159278/log_file#L_251_0 which fails to clone the git repository is due to an error in your test definition.
'git-repos' in the 'install' section of a test definition does not take parameters ie., things like the destination folder. It just takes the git repository URL. Alternatively if you want to pass various options to git, then make use of the 'steps' in 'install' section where you define everything explicitly.
I re-worked on this test definition with the above in mind - https://git.linaro.org/people/senthil.kumaran/test-definitions.git/blob/caca...
It works fine on my local dev environment. I just triggered a job to showcase this - https://validation.linaro.org/scheduler/job/159707 You can see it in action when the job completes.
HTH. Thank You.