Fix problem e2e tests

[nanasess]

• fakerjs の廃止されたメソッドを修正
• nanasess/eccube2-fixture-generator を1.2.0に更新

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.20%. Comparing base (302f86f) to head (03b016e).

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Additional details and impacted files

@@           Coverage Diff           @@
##           master     #860   +/-   ##
=======================================
  Coverage   55.20%   55.20%           
=======================================
  Files          75       75           
  Lines        8912     8912           
=======================================
  Hits         4920     4920           
  Misses       3992     3992           

Flag	Coverage Δ
tests	55.20% <ø> (ø)

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