diff --git a/tests/integration/fixtures/uart_mock_ld2410.yaml b/tests/integration/fixtures/uart_mock_ld2410.yaml
index 59838b0599..e7568c0e3f 100644
--- a/tests/integration/fixtures/uart_mock_ld2410.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2410.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2410_engineering.yaml b/tests/integration/fixtures/uart_mock_ld2410_engineering.yaml
index 4625ae8511..5e62a4b8a8 100644
--- a/tests/integration/fixtures/uart_mock_ld2410_engineering.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2410_engineering.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2412.yaml b/tests/integration/fixtures/uart_mock_ld2412.yaml
index 9cf9d6bb87..525ab0d5c4 100644
--- a/tests/integration/fixtures/uart_mock_ld2412.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2412.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2412_engineering.yaml b/tests/integration/fixtures/uart_mock_ld2412_engineering.yaml
index a69e18888e..9f83e3226f 100644
--- a/tests/integration/fixtures/uart_mock_ld2412_engineering.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2412_engineering.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2412_engineering_truncated.yaml b/tests/integration/fixtures/uart_mock_ld2412_engineering_truncated.yaml
index c0bd514762..fd1cd9fd33 100644
--- a/tests/integration/fixtures/uart_mock_ld2412_engineering_truncated.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2412_engineering_truncated.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2420.yaml b/tests/integration/fixtures/uart_mock_ld2420.yaml
index 5380b81071..ee22f807d4 100644
--- a/tests/integration/fixtures/uart_mock_ld2420.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2420.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2420_simple.yaml b/tests/integration/fixtures/uart_mock_ld2420_simple.yaml
index 2ceca5d35d..d3b6ad5d92 100644
--- a/tests/integration/fixtures/uart_mock_ld2420_simple.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2420_simple.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE
 
diff --git a/tests/integration/fixtures/uart_mock_ld2450.yaml b/tests/integration/fixtures/uart_mock_ld2450.yaml
index 269136da68..4140ff659c 100644
--- a/tests/integration/fixtures/uart_mock_ld2450.yaml
+++ b/tests/integration/fixtures/uart_mock_ld2450.yaml
@@ -3,6 +3,7 @@ esphome:
 
 host:
 api:
+  batch_delay: 0ms  # Disable batching to receive all state updates
 logger:
   level: VERBOSE