Exhaust response body on file store

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.83%. Comparing base (f7af00b) to head (f28b856).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #154 +/- ## ======================================== Coverage 90.83% 90.83% ======================================== Files 14 14 Lines 2073 2074 +1 ======================================== + Hits 1883 1884 +1 Misses 157 157 Partials 33 33 ```

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