/usr/lib/R/site-library/fGarch/unitTests/ is in r-cran-fgarch 2110.80-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/fGarch/unitTests/Makefile
/usr/lib/R/site-library/fGarch/unitTests/runTests.R
/usr/lib/R/site-library/fGarch/unitTests/runit.formula-methods.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garch-methods.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.algorithm.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.aparch.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.dist.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.faked.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.garch.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchFit.init.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchHessian.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchSim.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchSolver.R
/usr/lib/R/site-library/fGarch/unitTests/runit.garchSpec.R
/usr/lib/R/site-library/fGarch/unitTests/runit.plot-methods.R
/usr/lib/R/site-library/fGarch/unitTests/runit.predict-methods.R
/usr/lib/R/site-library/fGarch/unitTests/runit.sged.R
/usr/lib/R/site-library/fGarch/unitTests/runit.snorm.R
/usr/lib/R/site-library/fGarch/unitTests/runit.sstd.R