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/continue3.tests b/shell/ash_test/ash-misc/continue3.tests
new file mode 100755
index 0000000..0aff867
--- /dev/null
+++ b/shell/ash_test/ash-misc/continue3.tests
@@ -0,0 +1,3 @@
+# Test that "continue" does affect exitcode (sets to 0)
+e=''
+while echo $?; test $e && exit; true; do e=1; false; continue; done