[Refactor]Update yatai e2e tests to the latest python APIs

[yubozhao]

Description

Motivation and Context

How Has This Been Tested?

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature and improvements (non-breaking change which adds/improves functionality)
• Bug fix (non-breaking change which fixes an issue)
• Code Refactoring (internal change which is not user facing)
• Documentation
• Test, CI, or build

Component(s) if applicable

• BentoService (service definition, dependency management, API input/output adapters)
• Model Artifact (model serialization, multi-framework support)
• Model Server (mico-batching, dockerisation, logging, OpenAPI, instruments)
• YataiService gRPC server (model registry, cloud deployment automation)
• YataiService web server (nodejs HTTP server and web UI)
• Internal (BentoML's own configuration, logging, utility, exception handling)
• BentoML CLI

Checklist:

• My code follows the bentoml code style, both ./dev/format.sh and
  ./dev/lint.sh script have passed
  (instructions).
• My change reduces project test coverage and requires unit tests to be added
• I have added unit tests covering my code change
• My change requires a change to the documentation
• I have updated the documentation accordingly

[codecov]

Codecov Report

Merging #1483 (10a44b0) into master (772b765) will increase coverage by 0.72%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1483      +/-   ##
==========================================
+ Coverage   67.92%   68.65%   +0.72%     
==========================================
  Files         150      150              
  Lines       10045    10045              
==========================================
+ Hits         6823     6896      +73     
+ Misses       3222     3149      -73     

Impacted Files	Coverage Δ
bentoml/frameworks/fastai.py	59.42% <0.00%> (-4.35%)	⬇️
bentoml/utils/__init__.py	87.03% <0.00%> (+1.85%)	⬆️
bentoml/service/inference_api.py	87.17% <0.00%> (+1.92%)	⬆️
bentoml/adapters/default_output.py	88.63% <0.00%> (+2.27%)	⬆️
bentoml/adapters/file_input.py	91.83% <0.00%> (+4.08%)	⬆️
bentoml/server/__init__.py	50.00% <0.00%> (+12.00%)	⬆️
bentoml/server/gunicorn_config.py	53.12% <0.00%> (+21.87%)	⬆️
bentoml/server/instruments.py	100.00% <0.00%> (+23.25%)	⬆️
bentoml/server/gunicorn_server.py	88.37% <0.00%> (+44.18%)	⬆️
bentoml/server/marshal_server.py	93.33% <0.00%> (+51.11%)	⬆️
... and 1 more

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