tests: reorder some tests in the long list

* tests/Makefile.am (TESTS): Move some tests that use sleep
"up" in the list so that they don't delay even a little the
completion of "make check".  Also run a chmod test early.

diff --git a/tests/Makefile.am b/tests/Makefile.am
index f340eeb..785e438 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -23,10 +23,9 @@ EXTRA_DIST =         \
   sparse-file          \
   test-lib.sh
 
-## N O T E :: Please do not add new tests/ directories.
-## There are too many already.  Put new tests in misc/.
+## N O T E :: Do not add more names to this list.
+## N O T E :: Even these are expected to go away.
 SUBDIRS = cut head join pr sort tac tail test tr uniq wc
-## N O T E :: Please do not add new directories.
 
 root_tests =                                   \
   chown/basic                                  \
@@ -66,46 +65,52 @@ EXTRA_DIST += $(TESTS)
 # will execute the test script rather than the standard utility.
 
 # Regarding ordering in SUBDIRS, place early in the list the tools that
-# are most commonly used in test scripts.  Every test script uses rm
-# and chmod, so they have to be very early.
-# Ordering within misc/ should handle the rest.
+# are most commonly used in test scripts.  Nearly every test script uses
+# rm and chmod, so they appear early in the list.
 
-# Ordering:
+# Notes on the ordering of these tests:
 # help-version comes early because it's a basic sanity test.
 # Put seq early, since lots of other tests use it.
+# Put tests that sleep early, but not all together, so in parallel builds
+# they share time with tests that burn CPU, not with others that sleep.
 # Put head-elide-tail early, because it's long-running.
 
 TESTS =                                                \
   misc/help-version                            \
-  chgrp/basic                                  \
   rm/cycle                                     \
+  chmod/no-x                                   \
+  chgrp/basic                                  \
   rm/dangling-symlink                          \
+  misc/ls-time                                 \
   rm/deep-1                                    \
   rm/deep-2                                    \
   rm/dir-no-w                                  \
   rm/dir-nonrecur                              \
   rm/dot-rel                                   \
+  rm/isatty                                    \
   rm/empty-inacc                               \
   rm/empty-name                                        \
   rm/f-1                                       \
   rm/fail-eacces                               \
   rm/fail-eperm                                        \
+  tail-2/assert                                        \
   rm/hash                                      \
   rm/i-1                                       \
   rm/i-never                                   \
   rm/i-no-r                                    \
+  tail-2/infloop-1                             \
   rm/ignorable                                 \
   rm/inaccessible                              \
   rm/interactive-always                                \
   rm/interactive-once                          \
   rm/ir-1                                      \
-  rm/isatty                                    \
   rm/r-1                                       \
   rm/r-2                                       \
   rm/r-3                                       \
   rm/r-4                                       \
   rm/readdir-bug                               \
   rm/rm1                                       \
+  touch/empty-file                             \
   rm/rm2                                       \
   rm/rm3                                       \
   rm/rm4                                       \
@@ -122,7 +127,7 @@ TESTS =                                             \
   chgrp/recurse                                        \
   misc/seq                                     \
   misc/head-elide-tail                         \
-  misc/ls-time                                 \
+  tail-2/tail-n0f                              \
   misc/ls-misc                                 \
   misc/date                                    \
   misc/ptx-overrun                             \
@@ -208,7 +213,6 @@ TESTS =                                             \
   chmod/equal-x                                        \
   chmod/equals                                 \
   chmod/inaccessible                           \
-  chmod/no-x                                   \
   chmod/octal                                  \
   chmod/setgid                                 \
   chmod/thru-dangling                          \
@@ -365,16 +369,12 @@ TESTS =                                           \
   rmdir/fail-perm                              \
   rmdir/ignore                                 \
   rmdir/t-slash                                        \
-  tail-2/assert                                        \
   tail-2/assert-2                              \
   tail-2/big-4gb                               \
-  tail-2/infloop-1                             \
   tail-2/proc-ksyms                            \
   tail-2/start-middle                          \
-  tail-2/tail-n0f                              \
   touch/dangling-symlink                       \
   touch/dir-1                                  \
-  touch/empty-file                             \
   touch/fail-diag                              \
   touch/fifo                                   \
   touch/no-create-missing                      \