[wifi_info] Fix compilation error when using only mac_address sensor, add tests (#12222)

tests/components/wifi_info/common-mac.yaml

@@ -0,0 +1,8 @@
+wifi:
+  ssid: MySSID
+  password: password1
+
+text_sensor:
+  - platform: wifi_info
+    mac_address:
+      name: MAC Address

tests/components/wifi_info/common.yaml

@@ -13,6 +13,6 @@ text_sensor:
     bssid:
       name: BSSID
     mac_address:
-      name: Mac Address
+      name: MAC Address
     dns_address:
       name: DNS ADdress

tests/components/wifi_info/test-mac.esp32-idf.yaml

@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/esp32-idf.yaml
+
+<<: !include common-mac.yaml

tests/components/wifi_info/test-mac.esp8266-ard.yaml

@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/esp8266-ard.yaml
+
+<<: !include common-mac.yaml

tests/components/wifi_info/test-mac.rp2040-ard.yaml

@@ -0,0 +1,4 @@
+packages:
+  i2c: !include ../../test_build_components/common/i2c/rp2040-ard.yaml
+
+<<: !include common-mac.yaml