$ ./tests/run-upstream-testsuite.sh 
Fetching upstream test suite from https://git.savannah.gnu.org/git/diffutils.git
Running 31 tests
./tests/run-upstream-testsuite.sh: line 95: cd: gt-basic.*: No such file or directory
  basic                                    FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-bignum.*: No such file or directory
  bignum                                   FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-binary.*: No such file or directory
  binary                                   FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-brief-vs-stat-zero-kernel-lies.*: No such file or directory
  brief-vs-stat-zero-kernel-lies           FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-bug-64316.*: No such file or directory
  bug-64316                                FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-cmp.*: No such file or directory
  cmp                                      FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-colliding-file-names.*: No such file or directory
  colliding-file-names                     FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-diff3.*: No such file or directory
  diff3                                    FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-excess-slash.*: No such file or directory
  excess-slash                             FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-expand-tabs.*: No such file or directory
  expand-tabs                              FAIL
  help-version                             SKIP
./tests/run-upstream-testsuite.sh: line 95: cd: gt-ifdef.*: No such file or directory
  ifdef                                    FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-invalid-re.*: No such file or directory
  invalid-re                               FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-function-line-vs-leading-space.*: No such file or directory
  function-line-vs-leading-space           FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-ignore-case.*: No such file or directory
  ignore-case                              FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-ignore-matching-lines.*: No such file or directory
  ignore-matching-lines                    FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-ignore-tab-expansion.*: No such file or directory
  ignore-tab-expansion                     FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-label-vs-func.*: No such file or directory
  label-vs-func                            FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-large-subopt.*: No such file or directory
  large-subopt                             FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-new-file.*: No such file or directory
  new-file                                 FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-no-dereference.*: No such file or directory
  no-dereference                           FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-no-newline-at-eof.*: No such file or directory
  no-newline-at-eof                        FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-side-by-side.*: No such file or directory
  side-by-side                             FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-starting-file.*: No such file or directory
  starting-file                            FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-stdin.*: No such file or directory
  stdin                                    FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-strcoll-0-names.*: No such file or directory
  strcoll-0-names                          FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-filename-quoting.*: No such file or directory
  filename-quoting                         FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-strip-trailing-cr.*: No such file or directory
  strip-trailing-cr                        FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-timezone.*: No such file or directory
  timezone                                 FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-colors.*: No such file or directory
  colors                                   FAIL
./tests/run-upstream-testsuite.sh: line 95: cd: gt-y2038-vs-32bit.*: No such file or directory
  y2038-vs-32bit                           FAIL

Summary: TOTAL: 31 / PASS: 0 / FAIL: 30 / SKIP: 1

Results written to /home/osomon/build/uutils/diffutils/tests/test-results.json