Use an OFFLINE schema for Snowflake offline store tests

[sfc-gh-madkins]

Signed-off-by: sfc-gh-madkins [email protected]

What this PR does / why we need it:

Aligns our snowflake testing code with the snowflake testing environment

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[codecov-commenter]

Codecov Report

Merging #2291 (4167615) into master (023dc36) will decrease coverage by 27.59%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #2291       +/-   ##
===========================================
- Coverage   86.15%   58.55%   -27.60%     
===========================================
  Files         116      116               
  Lines        9820     9820               
===========================================
- Hits         8460     5750     -2710     
- Misses       1360     4070     +2710     

Flag	Coverage Δ
integrationtests	?
unittests	58.55% <ø> (ø)

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

Impacted Files	Coverage Δ
.../feature_repos/universal/data_sources/snowflake.py	51.35% <ø> (-48.65%)	⬇️
.../integration/online_store/test_universal_online.py	15.32% <0.00%> (-82.67%)	⬇️
.../integration/online_store/test_online_retrieval.py	17.39% <0.00%> (-82.61%)	⬇️
sdk/python/tests/utils/online_read_write_test.py	20.68% <0.00%> (-79.32%)	⬇️
...fline_store/test_universal_historical_retrieval.py	23.50% <0.00%> (-76.50%)	⬇️
sdk/python/feast/wait.py	23.52% <0.00%> (-70.59%)	⬇️
...gration/registration/test_feature_service_apply.py	31.25% <0.00%> (-68.75%)	⬇️
sdk/python/feast/infra/online_stores/redis.py	26.45% <0.00%> (-68.39%)	⬇️
sdk/python/tests/integration/e2e/test_usage_e2e.py	33.87% <0.00%> (-66.13%)	⬇️
sdk/python/feast/infra/utils/snowflake_utils.py	23.36% <0.00%> (-65.43%)	⬇️
... and 62 more

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[adchia]

/lgtm

[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adchia, sfc-gh-madkins

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