diff --git a/tests/components/udp/common.yaml b/tests/components/udp/common.yaml
index 6824c5cca8..f3a082fdd2 100644
--- a/tests/components/udp/common.yaml
+++ b/tests/components/udp/common.yaml
@@ -20,6 +20,13 @@ udp:
         id: my_udp
         data: !lambda |-
           return std::vector<uint8_t>{1,3,4,5,6};
+    - udp.write:
+        id: my_udp
+        data: [0xAA, 0x55, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06]
+    - udp.write:
+        id: my_udp
+        data: !lambda |-
+          return std::vector<uint8_t>(data.begin(), data.end());
 
 number:
   - platform: template
@@ -37,5 +44,7 @@ button:
       then:
         - udp.write:
             data: [0x01, 0x02, 0x03]
+        - udp.write:
+            data: [0xAA, 0x55, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06]
         - udp.write: !lambda |-
             return {0x10, 0x20, (uint8_t)id(udp_my_number).state};