TST: Test repr(Player)

[oyamad]

Test for 09ca42a

[codecov-io]

Codecov Report

Merging #84 into master will increase coverage by 1.11%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #84      +/-   ##
==========================================
+ Coverage   96.22%   97.33%   +1.11%     
==========================================
  Files           6        6              
  Lines         450      450              
==========================================
+ Hits          433      438       +5     
+ Misses         17       12       -5

Impacted Files	Coverage Δ
src/normal_form_game.jl	98.3% <0%> (+4.23%)	⬆️

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[coveralls]

Coverage increased (+3.8%) to 100.0% when pulling 5ef2dd8 on test_repr into 485af48 on master.