カートを削除しないようにするパッチの修正

[nanasess]

#528 に伴う修正

[codecov-commenter]

Codecov Report

Merging #533 (7bc55e5) into master (1cb56c7) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #533   +/-   ##
=======================================
  Coverage   54.53%   54.53%           
=======================================
  Files          76       76           
  Lines        9065     9065           
=======================================
  Hits         4944     4944           
  Misses       4121     4121           

Flag	Coverage Δ
tests	54.53% <ø> (ø)

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[nanasess]

font_guest の E2E テストは #531 で修正済み

[chihiro-adachi]

@nanasess
ありがとうございます。マージしました。