[SDK] Training Client Conditions related unit tests (kubeflow#2253)

* test: add unit test for get_job_conditions function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: add unit test for is_job_created function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: add unit test for is_job_running function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: add unit test for is_job_restarting function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: add unit test for is_job_failed function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: add unit test for is_job_succeded function of training client

Signed-off-by: Bobbins228 <[email protected]>

* test: improve job condition unit tests efficiency

Signed-off-by: Bobbins228 <[email protected]>

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Signed-off-by: Bobbins228 <[email protected]>
Signed-off-by: sailesh duddupudi <[email protected]>