Running 59 tests (2022-08-19 06:35:20-0500, selector `(not (or (tag :expensive-test) (tag :unstable) (tag :nativecomp)))')
   passed   1/59  fns-test-base64url-encode-region (0.013844 sec)
   passed   2/59  fns-test-base64url-encode-string (0.000144 sec)
   passed   3/59  fns-tests-base64-decode-string (0.000164 sec)
   passed   4/59  fns-tests-base64-encode-region (0.000145 sec)
   passed   5/59  fns-tests-base64-encode-string (0.000063 sec)
   passed   6/59  fns-tests-collate-sort (0.000110 sec)
Test fns-tests-collate-strings backtrace:
  signal(ert-test-failed (((should-error (string-collate-equalp "xyzzy
  ert-fail(((should-error (string-collate-equalp "xyzzy" "xyzzy" "en_D
  #f(compiled-function () #<bytecode 0x118a7f273753a081>)()
  ert--run-test-internal(#s(ert--test-execution-info :test #s(ert-test
  ert-run-test(#s(ert-test :name fns-tests-collate-strings :documentat
  ert-run-or-rerun-test(#s(ert--stats :selector ... :tests ... :test-m
  ert-run-tests((not (or (tag :expensive-test) (tag :unstable) (tag :n
  ert-run-tests-batch((not (or (tag :expensive-test) (tag :unstable) (
  ert-run-tests-batch-and-exit((not (or (tag :expensive-test) (tag :un
  eval((ert-run-tests-batch-and-exit '(not (or (tag :expensive-test) (
  command-line-1(("-L" ":." "-l" "ert" "-l" "src/fns-tests" "--eval" "
  command-line()
  normal-top-level()
Test fns-tests-collate-strings condition:
    (ert-test-failed
     ((should-error
       (string-collate-equalp "xyzzy" "xyzzy" "en_DE.UTF-8"))
      :form
      (string-collate-equalp "xyzzy" "xyzzy" "en_DE.UTF-8")
      :value t :fail-reason "did not signal an error"))
   FAILED   7/59  fns-tests-collate-strings (0.000121 sec)
   passed   8/59  fns-tests-compare-strings (0.000139 sec)
   passed   9/59  fns-tests-equality-nan (0.000065 sec)
   passed  10/59  fns-tests-func-arity (0.008067 sec)
   passed  11/59  fns-tests-hash-buffer (0.000113 sec)
   passed  12/59  fns-tests-mapcan (0.000080 sec)
   passed  13/59  fns-tests-nreverse (0.000086 sec)
   passed  14/59  fns-tests-nreverse-bool-vector (0.000064 sec)
   passed  15/59  fns-tests-reverse (0.000089 sec)
   passed  16/59  fns-tests-reverse-bool-vector (0.000077 sec)
   passed  17/59  fns-tests-sort (0.000101 sec)
   passed  18/59  fns-tests-string-version-lessp (0.000089 sec)
   passed  19/59  lax-plist-get/odd-number-of-elements (0.000070 sec)
   passed  20/59  lax-plist-put/odd-number-of-elements (0.000068 sec)
   passed  21/59  length-equals-tests (0.000116 sec)
   passed  22/59  object-intervals (0.000094 sec)
   passed  23/59  plist-get/odd-number-of-elements (0.000060 sec)
   passed  24/59  plist-member/improper-list (0.000063 sec)
   passed  25/59  plist-put/odd-number-of-elements (0.000074 sec)
   passed  26/59  string-search (0.000187 sec)
   passed  27/59  test-assoc-testfn (0.000068 sec)
   passed  28/59  test-bignum-eql (0.000072 sec)
   passed  29/59  test-bignum-hash (0.000074 sec)
   passed  30/59  test-buffer-line-stats-gap (0.003408 sec)
   passed  31/59  test-buffer-line-stats-nogap (0.000134 sec)
   passed  32/59  test-cycle-assoc (0.000120 sec)
   passed  33/59  test-cycle-assq (0.000107 sec)
   passed  34/59  test-cycle-delete (0.000195 sec)
   passed  35/59  test-cycle-delq (0.013634 sec)
   passed  36/59  test-cycle-equal (0.000103 sec)
   passed  37/59  test-cycle-lax-plist-get (0.000095 sec)
   passed  38/59  test-cycle-lax-plist-put (0.000092 sec)
   passed  39/59  test-cycle-length (0.000076 sec)
   passed  40/59  test-cycle-member (0.000087 sec)
   passed  41/59  test-cycle-memq (0.000087 sec)
   passed  42/59  test-cycle-memql (0.000088 sec)
   passed  43/59  test-cycle-nconc (0.000068 sec)
   passed  44/59  test-cycle-plist-get (0.000078 sec)
   passed  45/59  test-cycle-plist-member (0.000084 sec)
   passed  46/59  test-cycle-plist-put (0.000086 sec)
   passed  47/59  test-cycle-rassoc (0.000088 sec)
   passed  48/59  test-cycle-rassq (0.000088 sec)
   passed  49/59  test-cycle-reverse (0.000098 sec)
   passed  50/59  test-cycle-safe-length (0.000091 sec)
   passed  51/59  test-hash-function-that-mutates-hash-table (0.000182 sec)
   passed  52/59  test-line-number-at-position (0.000052 sec)
   passed  53/59  test-nthcdr-circular (0.000247 sec)
   passed  54/59  test-nthcdr-simple (0.000040 sec)
   passed  55/59  test-proper-list-p (0.000062 sec)
   passed  56/59  test-secure-hash (0.000074 sec)
   passed  57/59  test-string-distance (0.000056 sec)
   passed  58/59  test-sxhash-equal (0.008500 sec)
   passed  59/59  test-vector-delete (0.000062 sec)

Ran 59 tests, 58 results as expected, 1 unexpected (2022-08-19 06:35:20-0500, 0.203315 sec)

1 unexpected results:
   FAILED  fns-tests-collate-strings