Related to T2088

Ensure that unit tests are run in a fixed locale. This prevents users in different locales from changing snapshot files, for example . going to , for decimal indicator.

0. Be in France

1. Alter text in Send.js, for example "Are you sure you want to send" to "Are you sure you want to test"
2. npm test (update snapshot when prompted)
3. Confirm . is used for decimal indicator even if run from France