[ci] Enforce list form for platform domains in test fixtures (#17869)

tests/components/esp32/test.esp32-p4-idf.yaml

@@ -21,7 +21,7 @@ esp32:
       disable_fatfs: true
 
 ota:
-  platform: esphome
+  - platform: esphome
 
 wifi:
   ssid: MySSID

tests/components/espnow/common.yaml

@@ -74,6 +74,7 @@ sensor:
     id: espnow_temp_sensor
 
   - platform: packet_transport
+    transport_id: transport1
     provider: test-provider
     remote_id: espnow_temp_sensor
     id: remote_temp

tests/components/packet_transport/common.yaml

@@ -7,36 +7,40 @@ udp:
   addresses: ["239.0.60.53"]
 
 packet_transport:
-  platform: udp
-  update_interval: 5s
-  encryption: "our key goes here"
-  rolling_code_enable: true
-  ping_pong_enable: true
-  binary_sensors:
-    - binary_sensor_id1
-    - id: binary_sensor_id1
-      broadcast_id: other_id
-  sensors:
-    - sensor_id1
-    - id: sensor_id1
-      broadcast_id: other_id
-  providers:
-    - name: some-device-name
-      encryption: "their key goes here"
+  - platform: udp
+    id: transport_udp
+    update_interval: 5s
+    encryption: "our key goes here"
+    rolling_code_enable: true
+    ping_pong_enable: true
+    binary_sensors:
+      - binary_sensor_id1
+      - id: binary_sensor_id1
+        broadcast_id: other_id
+    sensors:
+      - sensor_id1
+      - id: sensor_id1
+        broadcast_id: other_id
+    providers:
+      - name: some-device-name
+        encryption: "their key goes here"
 
 sensor:
   - platform: template
     id: sensor_id1
   - platform: packet_transport
+    transport_id: transport_udp
     provider: some-device-name
     id: our_id
     remote_id: some_sensor_id
 
 binary_sensor:
   - platform: packet_transport
+    transport_id: transport_udp
     provider: unencrypted-device
     id: other_binary_sensor_id
   - platform: packet_transport
+    transport_id: transport_udp
     provider: some-device-name
     type: status
     name: Some-Device Status

tests/components/packet_transport/test.host.yaml

@@ -3,36 +3,40 @@ udp:
   addresses: ["239.0.60.53"]
 
 packet_transport:
-  platform: udp
-  update_interval: 5s
-  encryption: "our key goes here"
-  rolling_code_enable: true
-  ping_pong_enable: true
-  binary_sensors:
-    - binary_sensor_id1
-    - id: binary_sensor_id1
-      broadcast_id: other_id
-  sensors:
-    - sensor_id1
-    - id: sensor_id1
-      broadcast_id: other_id
-  providers:
-    - name: some-device-name
-      encryption: "their key goes here"
+  - platform: udp
+    id: transport_udp
+    update_interval: 5s
+    encryption: "our key goes here"
+    rolling_code_enable: true
+    ping_pong_enable: true
+    binary_sensors:
+      - binary_sensor_id1
+      - id: binary_sensor_id1
+        broadcast_id: other_id
+    sensors:
+      - sensor_id1
+      - id: sensor_id1
+        broadcast_id: other_id
+    providers:
+      - name: some-device-name
+        encryption: "their key goes here"
 
 sensor:
   - platform: template
     id: sensor_id1
   - platform: packet_transport
+    transport_id: transport_udp
     provider: some-device-name
     id: our_id
     remote_id: some_sensor_id
 
 binary_sensor:
   - platform: packet_transport
+    transport_id: transport_udp
     provider: unencrypted-device
     id: other_binary_sensor_id
   - platform: packet_transport
+    transport_id: transport_udp
     provider: some-device-name
     type: status
     name: Some-Device Status

tests/components/syslog/test.host.yaml

@@ -2,7 +2,7 @@ udp:
   addresses: ["239.0.60.53"]
 
 time:
-  platform: host
+  - platform: host
 
 syslog:
   port: 514