Consolidate test files where all tests are identical (#6690)

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

@@ -1,18 +1 @@
-wifi:
-  ssid: MySSID
-  password: password1
-
-text_sensor:
-  - platform: wifi_info
-    scan_results:
-      name: Scan Results
-    ip_address:
-      name: IP Address
-    ssid:
-      name: SSID
-    bssid:
-      name: BSSID
-    mac_address:
-      name: Mac Address
-    dns_address:
-      name: DNS ADdress
+<<: !include common.yaml