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/read.right b/shell/ash_test/ash-misc/read.right
new file mode 100644
index 0000000..0e50e2a
--- /dev/null
+++ b/shell/ash_test/ash-misc/read.right
@@ -0,0 +1,4 @@
+read
+cat
+echo "REPLY=$REPLY"
+REPLY=exec <read.tests