/usr/share/doc/texlive-doc/pdftex/tests/ is in texlive-base 2016.20170123-5.
This file is owned by root:root, with mode 0o755.
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/usr/share/doc/texlive-doc/pdftex/tests/01-fake-interword-space/
/usr/share/doc/texlive-doc/pdftex/tests/01-fake-interword-space/Makefile
/usr/share/doc/texlive-doc/pdftex/tests/01-fake-interword-space/dummy-space.pfb
/usr/share/doc/texlive-doc/pdftex/tests/01-fake-interword-space/dummy-space.tfm
/usr/share/doc/texlive-doc/pdftex/tests/01-fake-interword-space/fake-interword-space.tex
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/Makefile
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/test-SOURCE_DATE_EPOCH.tex
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/test-fixed-date-id.tex
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/test-no-date-id.tex
/usr/share/doc/texlive-doc/pdftex/tests/03-deterministic-output/test-prim.tex
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/Makefile
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/abc.tex
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/test-pdfinfoomitdate.tex
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/test-pdfsuppressptexinfo.tex
/usr/share/doc/texlive-doc/pdftex/tests/04-pdfsuppressptexinfo/test-pdftrailer.tex
/usr/share/doc/texlive-doc/pdftex/tests/Common.mak