[ja] Follow  00a3c59b05, caee96a1e4, 06b60620dd
[ja] Follow #928
Add missing required field.

Fixes #985
fix currency format example

Guess it was a typo, but examples should be error-free. No way 1234.56 converts to 1.236,33. Also there's no space after currency symbol.
Merge pull request #986 from arteq/patch-1

fix currency format example
[fr] Follow 4fb2e04ff815fd8df0c8ad3e3528e45432aaecbd

Add missing required field.
[fr] Follow #986

fix currency format example
Merge pull request #984 from okonomi/feature/ja-follow-testing

[ja] Follow up testing.rst