tests: add a positive gpio test case

Ensure that properly named properties don't trigger warnings

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Message-Id: <20210504035944.8453-5-ilya.lipnitskiy@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
diff --git a/tests/run_tests.sh b/tests/run_tests.sh
index 5c2b1e8..0e8ecdb 100755
--- a/tests/run_tests.sh
+++ b/tests/run_tests.sh
@@ -709,10 +709,12 @@
     check_tests "$SRCDIR/unit-addr-unique.dts" unique_unit_address
     check_tests "$SRCDIR/bad-phandle-cells.dts" interrupts_extended_property
     check_tests "$SRCDIR/bad-gpio.dts" gpios_property
+    check_tests "$SRCDIR/good-gpio.dts" -n gpios_property
     check_tests "$SRCDIR/bad-graph.dts" graph_child_address
     check_tests "$SRCDIR/bad-graph.dts" graph_port
     check_tests "$SRCDIR/bad-graph.dts" graph_endpoint
     run_sh_test "$SRCDIR/dtc-checkfails.sh" deprecated_gpio_property -- -Wdeprecated_gpio_property -I dts -O dtb "$SRCDIR/bad-gpio.dts"
+    run_sh_test "$SRCDIR/dtc-checkfails.sh" -n deprecated_gpio_property -- -Wdeprecated_gpio_property -I dts -O dtb "$SRCDIR/good-gpio.dts"
     check_tests "$SRCDIR/bad-interrupt-cells.dts" interrupts_property
     check_tests "$SRCDIR/bad-interrupt-controller.dts" interrupt_provider
     run_sh_test "$SRCDIR/dtc-checkfails.sh" node_name_chars -- -I dtb -O dtb bad_node_char.dtb