sh testsuite: create hush-redir/* and move files around

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush_test/hush-redir/redir8.tests b/shell/hush_test/hush-redir/redir8.tests
new file mode 100755
index 0000000..2bd3867
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir8.tests
@@ -0,0 +1,15 @@
+# Chars above 0x7f are used as special codes.
+# 0x81 is CTLESC (see ash.c).
+# The bug was that quoting and unquoting of them
+# was out of sync for redirect filenames.
+
+# Subcase when redirect filename is specified in a variable.
+
+>unicode.sh
+printf 'v=uni\x81code\n' >>unicode.sh
+printf 'echo Ok >"$v"\n' >>unicode.sh
+printf 'cat uni\x81code\n' >>unicode.sh
+printf 'cat uni?code\n' >>unicode.sh
+. ./unicode.sh
+rm uni*code*
+echo Done