Draft: Fix issue with reproducible_write

For the time being I cannot reproduce the problem, but I started by improving a bit the report of the test to have more insight in case of failure.

Closes #257

added 1 commit

• dc5a2eb7 - Minor improvement to reproducible_write test

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added 354 commits

• dc5a2eb7...3af3a718 - 353 commits from branch master
• 7f3d8b94 - Minor improvement to reproducible_write test

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added 413 commits

• 7f3d8b94...902e3694 - 412 commits from branch master
• 222568d1 - Minor improvement to reproducible_write test

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