utils: evl: alpha-sort test list for all ops

Having a predictable sequence for testing and listing is handy. In
addition, ensure that shim tests are listed last.
Signed-off-by: Philippe Gerum <rpm@xenomai.org>

utils/evl-test

@@ -51,7 +51,8 @@ for t in "$@"; do
 done
 
 if test -z "$test_list"; then
-   test_list=$(find $EVL_TESTDIR -type f)
+   test_list="$(find $EVL_TESTDIR -type f -maxdepth 1 | sort)"
+   test_list="$test_list $(find $EVL_TESTDIR/eshi -type f | sort)"
    if test -z "$test_list"; then
       echo >&2 "$EVL_TESTDIR is empty - broken installation?"
       exit 2