diff --git a/tests/components/hdmi_cec/common_with_uart.yaml b/tests/components/hdmi_cec/common_with_uart.yaml
index e38eb821f43..465d28c9781 100644
--- a/tests/components/hdmi_cec/common_with_uart.yaml
+++ b/tests/components/hdmi_cec/common_with_uart.yaml
@@ -17,12 +17,15 @@ hdmi_cec:
   promiscuous_mode: true
   monitor_mode: false
   on_message:
-    # Give Device Power Status
-    - opcode: 0x8F
+    - opcode: 0x8F  # Give Device Power Status
       then:
-        - lambda: !lambda |-
-            id(cec).send(source, {0x90, 0x01});
-     # Volume Up from TV remote
-    - data: [0x44, 0x41]
+        hdmi_cec.send:
+          destination: 0      # answer to TV
+          data: [0x90, 0x01]  # power is 'standby'
+    - opcode: 0x8C  # Give Device VendorID
+      then:
+        - lambda: |-
+            id(cec).send(0xf, {0x87, 0x00, 0x09, 0xb0}); // broadcast myself as Onkyo
+    - data: [0x44, 0x41]  # Volume Up from TV remote
       then:
         - logger.log: "HDMI-CEC Volume Up"
diff --git a/tests/components/hdmi_cec/test-no-uart.esp32-s3-ard.yaml b/tests/components/hdmi_cec/test-no-uart.esp32-s3-ard.yaml
index 449ef5ebbab..6e51621aed9 100644
--- a/tests/components/hdmi_cec/test-no-uart.esp32-s3-ard.yaml
+++ b/tests/components/hdmi_cec/test-no-uart.esp32-s3-ard.yaml
@@ -1,5 +1,5 @@
 # tested with Seeed Studio XIAO ESP32S3
 substitutions:
-  cec_pin: GPIO12
+  cec_pin: GPIO9
 
 <<: !include common_no_uart.yaml
diff --git a/tests/components/hdmi_cec/test-no-uart.esp32-s3-idf.yaml b/tests/components/hdmi_cec/test-no-uart.esp32-s3-idf.yaml
new file mode 100644
index 00000000000..6e51621aed9
--- /dev/null
+++ b/tests/components/hdmi_cec/test-no-uart.esp32-s3-idf.yaml
@@ -0,0 +1,5 @@
+# tested with Seeed Studio XIAO ESP32S3
+substitutions:
+  cec_pin: GPIO9
+
+<<: !include common_no_uart.yaml
diff --git a/tests/components/hdmi_cec/test-with-uart.esp32-c3-idf.yaml b/tests/components/hdmi_cec/test-with-uart.esp32-c3-idf.yaml
index 49817f7a32c..2398e25ac60 100644
--- a/tests/components/hdmi_cec/test-with-uart.esp32-c3-idf.yaml
+++ b/tests/components/hdmi_cec/test-with-uart.esp32-c3-idf.yaml
@@ -1,6 +1,6 @@
 # tested with Seeed Studio XIAO ESP32C3
 substitutions:
-  uart_pin: GPIO2
+  uart_pin: GPIO21
   cec_pin: GPIO10
 
 <<: !include common_with_uart.yaml
diff --git a/tests/components/hdmi_cec/test-with-uart.esp8266-ard.yaml b/tests/components/hdmi_cec/test-with-uart.esp8266-ard.yaml
index 708a0108009..46e52553fe3 100644
--- a/tests/components/hdmi_cec/test-with-uart.esp8266-ard.yaml
+++ b/tests/components/hdmi_cec/test-with-uart.esp8266-ard.yaml
@@ -1,4 +1,3 @@
-# Note: this target relies on the missing '#define ESPHOME_THREAD_MULTI_ATOMICS'
 # tested with LOLIN D1 mini which has an esp8266ex
 substitutions:
   uart_pin: GPIO2