/usr/share/doc/r-cran-pillar/tests/testthat/out-native/integer-07.txt is in r-cran-pillar 1.0.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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<int> 1.00e7 1.00e7 1.00e7 NA