diff --git a/tests/components/emonitor/test_config_flow.py b/tests/components/emonitor/test_config_flow.py
index 2a5a1a7a2d3..af4c1ac2a8a 100644
--- a/tests/components/emonitor/test_config_flow.py
+++ b/tests/components/emonitor/test_config_flow.py
@@ -12,6 +12,12 @@ from homeassistant.core import HomeAssistant
 
 from tests.common import MockConfigEntry
 
+DHCP_SERVICE_INFO = dhcp.DhcpServiceInfo(
+    hostname="emonitor",
+    ip="1.2.3.4",
+    macaddress="aabbccddeeff",
+)
+
 
 def _mock_emonitor():
     return EmonitorStatus(
@@ -103,11 +109,7 @@ async def test_dhcp_can_confirm(hass: HomeAssistant) -> None:
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
             context={"source": config_entries.SOURCE_DHCP},
-            data=dhcp.DhcpServiceInfo(
-                hostname="emonitor",
-                ip="1.2.3.4",
-                macaddress="aa:bb:cc:dd:ee:ff",
-            ),
+            data=DHCP_SERVICE_INFO,
         )
         await hass.async_block_till_done()
 
@@ -146,11 +148,7 @@ async def test_dhcp_fails_to_connect(hass: HomeAssistant) -> None:
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
             context={"source": config_entries.SOURCE_DHCP},
-            data=dhcp.DhcpServiceInfo(
-                hostname="emonitor",
-                ip="1.2.3.4",
-                macaddress="aa:bb:cc:dd:ee:ff",
-            ),
+            data=DHCP_SERVICE_INFO,
         )
         await hass.async_block_till_done()
 
@@ -175,11 +173,7 @@ async def test_dhcp_already_exists(hass: HomeAssistant) -> None:
         result = await hass.config_entries.flow.async_init(
             DOMAIN,
             context={"source": config_entries.SOURCE_DHCP},
-            data=dhcp.DhcpServiceInfo(
-                hostname="emonitor",
-                ip="1.2.3.4",
-                macaddress="aa:bb:cc:dd:ee:ff",
-            ),
+            data=DHCP_SERVICE_INFO,
         )
         await hass.async_block_till_done()