/usr/lib/R/site-library/graph/unitTests/ is in r-bioc-graph 1.48.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/graph/unitTests/MultiGraph_test.R
/usr/lib/R/site-library/graph/unitTests/attrData_test.R
/usr/lib/R/site-library/graph/unitTests/clusterGraph_test.R
/usr/lib/R/site-library/graph/unitTests/degree_test.R
/usr/lib/R/site-library/graph/unitTests/edgeWeights_test.R
/usr/lib/R/site-library/graph/unitTests/graphAM_test.R
/usr/lib/R/site-library/graph/unitTests/graphBAM_test.R
/usr/lib/R/site-library/graph/unitTests/graphNEL_test.R
/usr/lib/R/site-library/graph/unitTests/gxl_test.R
/usr/lib/R/site-library/graph/unitTests/leaves_test.R
/usr/lib/R/site-library/graph/unitTests/nodeAndEdgeData_test.R
/usr/lib/R/site-library/graph/unitTests/setbit_test.R
/usr/lib/R/site-library/graph/unitTests/simple_sparse_test.R