Resolve test_table_schema

[sarahyurick]

Re-opening #758 here.

[codecov-commenter]

Codecov Report

Merging #792 (f35986e) into main (c8433e1) will increase coverage by 0.16%.
The diff coverage is 81.81%.

@@            Coverage Diff             @@
##             main     #792      +/-   ##
==========================================
+ Coverage   75.54%   75.71%   +0.16%     
==========================================
  Files          73       73              
  Lines        3689     3698       +9     
  Branches      769      771       +2     
==========================================
+ Hits         2787     2800      +13     
+ Misses        772      764       -8     
- Partials      130      134       +4     

Impacted Files	Coverage Δ
dask_sql/physical/rel/custom/create_table.py	84.37% <0.00%> (-5.63%)	⬇️
dask_sql/physical/rel/custom/create_table_as.py	87.50% <100.00%> (+1.13%)	⬆️
dask_sql/physical/rel/logical/project.py	93.75% <100.00%> (+0.72%)	⬆️
dask_sql/context.py	93.75% <0.00%> (+0.41%)	⬆️
dask_sql/_version.py	34.00% <0.00%> (+1.44%)	⬆️

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