Fix Kubeflow TF Operator `GetTaskPhase` Bug #681

Job	Run time
unpack-envvars	1s
Docker Build Images (datacatalog) / build_docker	1m 58s
Docker Build Images (flyteadmin) / build_docker	2m 59s
Docker Build Images (flytecopilot) / build_docker	2m 30s
Docker Build Images (flytepropeller) / build_docker	3m 30s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	3m 45s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	2m 8s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	2m 42s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	4m 3s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	3m 48s
Check Go Generate (datacatalog) / Go Generate	1m 23s
Check Go Generate (flyteadmin) / Go Generate	2m 3s
Check Go Generate (flytepropeller) / Go Generate	2m 37s
Check Go Generate (flytecopilot) / Go Generate	1m 24s
Lint (datacatalog) / Run Lint	2m 18s
Lint (flyteadmin) / Run Lint	3m 26s
Lint (flyteidl) / Run Lint	1m 31s
Lint (flyteplugins) / Run Lint	3m 13s
Lint (flytepropeller) / Run Lint	3m 35s
Lint (flytestdlib) / Run Lint	2m 5s
Unit Tests (datacatalog) / Run Unit Test	2m 10s
Unit Tests (flyteadmin) / Run Unit Test	3m 35s
Unit Tests (flytecopilot) / Run Unit Test	2m 22s
Unit Tests (flyteplugins) / Run Unit Test	3m 33s
Unit Tests (flytestdlib) / Run Unit Test	2m 43s
Unit Tests (flytepropeller) / Run Unit Test	3m 48s
Integration Test (flyteadmin) / Integration tests	6m 6s
	1h 15m 16s

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