diff --git a/tests/components/seeed_mr60bha2/test.esp32-c3-ard.yaml b/tests/components/seeed_mr60bha2/test.esp32-c3-ard.yaml
index 7671975750..ae7e4ea760 100644
--- a/tests/components/seeed_mr60bha2/test.esp32-c3-ard.yaml
+++ b/tests/components/seeed_mr60bha2/test.esp32-c3-ard.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-c3-ard.yaml
+  uart: !include ../../test_build_components/common/uart_115200/esp32-c3-ard.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/seeed_mr60bha2/test.esp32-c3-idf.yaml b/tests/components/seeed_mr60bha2/test.esp32-c3-idf.yaml
index a19013bf54..f7ab072346 100644
--- a/tests/components/seeed_mr60bha2/test.esp32-c3-idf.yaml
+++ b/tests/components/seeed_mr60bha2/test.esp32-c3-idf.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-c3-idf.yaml
+  uart: !include ../../test_build_components/common/uart_115200/esp32-c3-idf.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/seeed_mr60fda2/test.esp32-c3-ard.yaml b/tests/components/seeed_mr60fda2/test.esp32-c3-ard.yaml
index 7671975750..ae7e4ea760 100644
--- a/tests/components/seeed_mr60fda2/test.esp32-c3-ard.yaml
+++ b/tests/components/seeed_mr60fda2/test.esp32-c3-ard.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-c3-ard.yaml
+  uart: !include ../../test_build_components/common/uart_115200/esp32-c3-ard.yaml
 
 <<: !include common.yaml
diff --git a/tests/components/seeed_mr60fda2/test.esp32-c3-idf.yaml b/tests/components/seeed_mr60fda2/test.esp32-c3-idf.yaml
index a19013bf54..f7ab072346 100644
--- a/tests/components/seeed_mr60fda2/test.esp32-c3-idf.yaml
+++ b/tests/components/seeed_mr60fda2/test.esp32-c3-idf.yaml
@@ -1,4 +1,4 @@
 packages:
-  uart: !include ../../test_build_components/common/uart/esp32-c3-idf.yaml
+  uart: !include ../../test_build_components/common/uart_115200/esp32-c3-idf.yaml
 
 <<: !include common.yaml
diff --git a/tests/test_build_components/common/uart_115200/esp32-ard.yaml b/tests/test_build_components/common/uart_115200/esp32-ard.yaml
new file mode 100644
index 0000000000..9102910f31
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/esp32-ard.yaml
@@ -0,0 +1,11 @@
+# Common UART configuration for ESP32 Arduino tests - 115200 baud
+
+substitutions:
+  tx_pin: GPIO17
+  rx_pin: GPIO16
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200
diff --git a/tests/test_build_components/common/uart_115200/esp32-c3-ard.yaml b/tests/test_build_components/common/uart_115200/esp32-c3-ard.yaml
new file mode 100644
index 0000000000..87a969c6a3
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/esp32-c3-ard.yaml
@@ -0,0 +1,11 @@
+# Common UART configuration for ESP32-C3 Arduino tests - 115200 baud
+
+substitutions:
+  tx_pin: GPIO20
+  rx_pin: GPIO21
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200
diff --git a/tests/test_build_components/common/uart_115200/esp32-c3-idf.yaml b/tests/test_build_components/common/uart_115200/esp32-c3-idf.yaml
new file mode 100644
index 0000000000..f3768592e5
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/esp32-c3-idf.yaml
@@ -0,0 +1,12 @@
+# Common UART configuration for ESP32-C3 IDF tests - 115200 baud
+# For components that require UART baud rate 115200 (bl0906)
+
+substitutions:
+  tx_pin: GPIO20
+  rx_pin: GPIO21
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200
diff --git a/tests/test_build_components/common/uart_115200/esp32-idf.yaml b/tests/test_build_components/common/uart_115200/esp32-idf.yaml
new file mode 100644
index 0000000000..e405f74fe7
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/esp32-idf.yaml
@@ -0,0 +1,12 @@
+# Common UART configuration for ESP32 IDF tests - 115200 baud
+# For components that require UART baud rate 115200 (bl0906)
+
+substitutions:
+  tx_pin: GPIO17
+  rx_pin: GPIO16
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200
diff --git a/tests/test_build_components/common/uart_115200/esp8266-ard.yaml b/tests/test_build_components/common/uart_115200/esp8266-ard.yaml
new file mode 100644
index 0000000000..2dcf1c4a5d
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/esp8266-ard.yaml
@@ -0,0 +1,11 @@
+# Common UART configuration for ESP8266 Arduino tests - 115200 baud
+
+substitutions:
+  tx_pin: GPIO4
+  rx_pin: GPIO5
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200
diff --git a/tests/test_build_components/common/uart_115200/rp2040-ard.yaml b/tests/test_build_components/common/uart_115200/rp2040-ard.yaml
new file mode 100644
index 0000000000..62a7b5aed2
--- /dev/null
+++ b/tests/test_build_components/common/uart_115200/rp2040-ard.yaml
@@ -0,0 +1,11 @@
+# Common UART configuration for RP2040 Arduino tests - 115200 baud
+
+substitutions:
+  tx_pin: GPIO0
+  rx_pin: GPIO1
+
+uart:
+  - id: uart_bus
+    tx_pin: ${tx_pin}
+    rx_pin: ${rx_pin}
+    baud_rate: 115200