tests: add initial skeleton for ifquery tests

tests/Kyuafile

@@ -1 +1,5 @@
 syntax(2)
+
+test_suite('ifupdown-ng')
+
+atf_test_program{name='ifquery_test'}

tests/ifquery_test

@@ -0,0 +1,10 @@
+#!/usr/bin/env atf-sh
+
+. $(atf_get_srcdir)/test_env.sh
+
+tests_init \
+	noargs
+
+noargs_body() {
+	atf_check -s exit:1 -e ignore ifquery
+}

tests/test_env.sh

@@ -1,3 +1,5 @@
+PATH="$(atf_get_srcdir)/..:$PATH"
+
 tests_init() {
 	TESTS="$@"
 	export TESTS