ash testsuite: add most of hust tests which pass for ash

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-misc/shift.right b/shell/ash_test/ash-misc/shift.right
new file mode 100644
index 0000000..d281e35
--- /dev/null
+++ b/shell/ash_test/ash-misc/shift.right
@@ -0,0 +1,6 @@
+./shift.tests abc d e
+./shift.tests d e 123
+./shift.tests d e 123
+./shift.tests
+./shift.tests
+./shift.tests