/usr/share/ is in libxtst-dev 2:1.2.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/libxtst-dev/
/usr/share/doc/libxtst-dev/copyright
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/XTestQueryExtension.3.gz
/usr/share/doc/libxtst-dev/changelog.Debian.gz
/usr/share/man/man3/XTestCompareCurrentCursorWithWindow.3.gz
/usr/share/man/man3/XTestCompareCursorWithWindow.3.gz
/usr/share/man/man3/XTestDiscard.3.gz
/usr/share/man/man3/XTestFakeButtonEvent.3.gz
/usr/share/man/man3/XTestFakeKeyEvent.3.gz
/usr/share/man/man3/XTestFakeMotionEvent.3.gz
/usr/share/man/man3/XTestFakeRelativeMotionEvent.3.gz
/usr/share/man/man3/XTestGrabControl.3.gz
/usr/share/man/man3/XTestSetGContextOfGC.3.gz
/usr/share/man/man3/XTestSetVisualIDOfVisual.3.gz