added e2e tests

[BPylypenko]

added tests for:

e2e test for docker cli packager: #586 validation of max length for model deployment: #579 validation for --id flag of Model Routes: #644 test for default value of WorkDir: #597

[codecov-commenter]

Codecov Report

Merging #652 (2602e7c) into develop (2b4d238) will increase coverage by 10.14%. The diff coverage is n/a.

@@             Coverage Diff              @@
##           develop     #652       +/-   ##
============================================
+ Coverage    60.21%   70.36%   +10.14%     
============================================
  Files          241      140      -101     
  Lines        15339     6506     -8833     
  Branches       370      370               
============================================
- Hits          9237     4578     -4659     
+ Misses        5508     1798     -3710     
+ Partials       594      130      -464     

Flag	Coverage Δ
feedback	57.14% <ø> (ø)
go	57.14% <ø> (+4.35%)	:arrow_up:
operator	?
python	70.53% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/operator/pkg/servicecatalog/reflector.go
...rver/routes/v1/connection/connection_validation.go
...perator/pkg/servicecatalog/route_update_handler.go
packages/operator/pkg/utils/ssh.go
packages/operator/pkg/apiclient/training/client.go
...perator/pkg/apiserver/routes/v1/training/routes.go
...pkg/repository/connection/kubernetes/connection.go
...s/operator/pkg/kubeclient/trainingclient/client.go
...ckages/operator/pkg/repository/outbox/publisher.go
.../routes/v1/packaging/model_packaging_validation.go
... and 91 more