refactor(tests): clean up codes in testing hubapi

[nan-wang]

refactor(tests): clean up codes in testing hubapi

[github-actions]

Latency summary

Current PR yields:

• 😶 index QPS at 1631, delta to last 3 avg.: -2%
• 😶 query QPS at 31, delta to last 3 avg.: -2%

Breakdown

Version	Index QPS	Query QPS
current	1631	31
0.9.2	1694	31
0.9.1	1645	31
0.8.22	1696	31

Backed by latency-tracking. Further commits will update this comment.

[florian-hoenicke]

I think it is failing because the access.yml is not defined right?
We could create it before running _fetch_access_token

[codecov]

Codecov Report

Merging #1566 (5a8376a) into master (7200c65) will increase coverage by 0.99%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1566      +/-   ##
==========================================
+ Coverage   83.98%   84.97%   +0.99%     
==========================================
  Files         127      127              
  Lines        6652     6711      +59     
==========================================
+ Hits         5587     5703     +116     
+ Misses       1065     1008      -57     

Impacted Files	Coverage Δ
jina/logging/profile.py	69.84% <0.00%> (-0.56%)	⬇️
jina/drivers/craft.py	100.00% <0.00%> (ø)
jina/types/ndarray/generic.py	100.00% <0.00%> (ø)
jina/drivers/encode.py	94.91% <0.00%> (+0.08%)	⬆️
jina/enums.py	96.59% <0.00%> (+0.09%)	⬆️
jina/jaml/__init__.py	95.93% <0.00%> (+0.09%)	⬆️
jina/flow/base.py	86.58% <0.00%> (+0.10%)	⬆️
jina/clients/helper.py	94.00% <0.00%> (+0.12%)	⬆️
jina/executors/indexers/vector.py	93.15% <0.00%> (+0.14%)	⬆️
jina/peapods/runtimes/asyncio/rest/__init__.py	93.18% <0.00%> (+0.15%)	⬆️
... and 13 more

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