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/until1.tests b/shell/ash_test/ash-misc/until1.tests
new file mode 100755
index 0000000..10ab283
--- /dev/null
+++ b/shell/ash_test/ash-misc/until1.tests
@@ -0,0 +1,11 @@
+x=1
+until test "$x" = 4; do echo $x; x=4; done
+
+# We had a bug in multi-line form
+x=1
+until test "$x" = 4; do
+        echo $x
+        x=4
+done
+
+echo Ok:$?