Fix OpenHAB discovery (#1153)

* Fix OpenHAB discovery

* Add test for OpenHAB discovery

platformio.ini

@@ -76,6 +76,7 @@ extra_configs =
 ;default_envs = uno-fastled
 ;default_envs = atmega-all-test
 ;default_envs = manual-wifi-test
+;default_envs = openhab-test
 ;default_envs = esp32dev-mqtt-fw-test
 ;default_envs = nodemcuv2-mqtt-fw-test
 ;default_envs = nodemcuv2-rs232
@@ -1014,6 +1015,18 @@ build_flags =
   '-DGateway_Name="OpenMQTTGateway_TEST_MANUAL_WIFI"'
 board_build.flash_mode = dout
 
+[env:openhab-test]
+platform = ${com.esp8266_platform}
+board = nodemcuv2
+lib_deps =
+  ${com-esp.lib_deps}
+  ${libraries.wifimanager8266}
+build_flags =
+  ${com-esp.build_flags}
+  '-DOpenHABDiscovery=true'
+  '-DGateway_Name="OpenMQTTGateway_TEST_OPENHAB"'
+board_build.flash_mode = dout
+
 [env:nodemcuv2-mqtt-fw-test]
 platform = ${com.esp8266_platform}
 board = nodemcuv2