Fix load module test

[ahopkins]

There was a broken test in appveyor because of how the module's __name__ was being reported.

[codecov]

Codecov Report

Merging #1956 into master will increase coverage by 0.37%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1956      +/-   ##
==========================================
+ Coverage   91.90%   92.27%   +0.37%     
==========================================
  Files          29       29              
  Lines        3236     3236              
  Branches      570      570              
==========================================
+ Hits         2974     2986      +12     
+ Misses        185      171      -14     
- Partials       77       79       +2     

Impacted Files	Coverage Δ
sanic/request.py	99.23% <0.00%> (+0.76%)	⬆️
sanic/server.py	81.61% <0.00%> (+0.93%)	⬆️
sanic/worker.py	84.42% <0.00%> (+1.63%)	⬆️
sanic/response.py	98.08% <0.00%> (+1.91%)	⬆️

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