Add a specific error for missing columns during materialization

[achals]

Signed-off-by: Achal Shah achals@gmail.com

What this PR does / why we need it:
Follow up from #1615 based on the comment in #1614 . Also adds test and removed an empty file.

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[codecov-commenter]

Codecov Report

Merging #1619 (2ff2504) into master (008a9ea) will increase coverage by 0.02%.
The diff coverage is 81.81%.

@@            Coverage Diff             @@
##           master    #1619      +/-   ##
==========================================
+ Coverage   77.61%   77.63%   +0.02%     
==========================================
  Files          66       66              
  Lines        5789     5799      +10     
==========================================
+ Hits         4493     4502       +9     
- Misses       1296     1297       +1     

Flag	Coverage Δ
unittests	77.63% <81.81%> (+0.02%)	⬆️

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Impacted Files	Coverage Δ
sdk/python/feast/infra/offline_stores/file.py	96.70% <50.00%> (+0.03%)	⬆️
sdk/python/feast/errors.py	64.28% <75.00%> (+1.12%)	⬆️
sdk/python/tests/test_e2e_local.py	100.00% <100.00%> (ø)

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[feast-ci-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: achals

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• OWNERS [achals]

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[achals]

@woop ready for re-review

[woop]

/lgtm

[achals]

@woop for some reason this didn't get auto-merged - can you approve if it looks okay?