diff --git a/esphome/components/m5stack_4relay/m5stack_4relay.h b/esphome/components/m5stack_4relay/m5stack_4relay.h
index 3cb6d02d65..b074d8bf78 100644
--- a/esphome/components/m5stack_4relay/m5stack_4relay.h
+++ b/esphome/components/m5stack_4relay/m5stack_4relay.h
@@ -9,7 +9,6 @@ namespace m5stack_4relay {
 static constexpr uint8_t UNIT_4RELAY_REG = 0X10;
 static constexpr uint8_t UNIT_4RELAY_RELAY_REG = 0X11;
 
-
 class M5Stack_4Relay : public Component, public i2c::I2CDevice {
  public:
   void set_switch_mode(bool mode);
diff --git a/tests/components/m5stack_4relay/test.esp32-ard.yaml b/tests/components/m5stack_4relay/test.esp32-ard.yaml
index 6c2623123e..a9de1c622f 100644
--- a/tests/components/m5stack_4relay/test.esp32-ard.yaml
+++ b/tests/components/m5stack_4relay/test.esp32-ard.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 16
-  sda_pin: 17
+  scl_pin: "16"
+  sda_pin: "17"
 
 <<: !include common.yaml
diff --git a/tests/components/m5stack_4relay/test.esp32-c3-ard.yaml b/tests/components/m5stack_4relay/test.esp32-c3-ard.yaml
index b7c4a7c87b..738a01ddbc 100644
--- a/tests/components/m5stack_4relay/test.esp32-c3-ard.yaml
+++ b/tests/components/m5stack_4relay/test.esp32-c3-ard.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 5
-  sda_pin: 4
+  scl_pin: "5"
+  sda_pin: "4"
 
 <<: !include common.yaml
diff --git a/tests/components/m5stack_4relay/test.esp32-c3-idf.yaml b/tests/components/m5stack_4relay/test.esp32-c3-idf.yaml
index b7c4a7c87b..738a01ddbc 100644
--- a/tests/components/m5stack_4relay/test.esp32-c3-idf.yaml
+++ b/tests/components/m5stack_4relay/test.esp32-c3-idf.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 5
-  sda_pin: 4
+  scl_pin: "5"
+  sda_pin: "4"
 
 <<: !include common.yaml
diff --git a/tests/components/m5stack_4relay/test.esp32-idf.yaml b/tests/components/m5stack_4relay/test.esp32-idf.yaml
index 6c2623123e..a9de1c622f 100644
--- a/tests/components/m5stack_4relay/test.esp32-idf.yaml
+++ b/tests/components/m5stack_4relay/test.esp32-idf.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 16
-  sda_pin: 17
+  scl_pin: "16"
+  sda_pin: "17"
 
 <<: !include common.yaml
diff --git a/tests/components/m5stack_4relay/test.esp8266-ard.yaml b/tests/components/m5stack_4relay/test.esp8266-ard.yaml
index b7c4a7c87b..738a01ddbc 100644
--- a/tests/components/m5stack_4relay/test.esp8266-ard.yaml
+++ b/tests/components/m5stack_4relay/test.esp8266-ard.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 5
-  sda_pin: 4
+  scl_pin: "5"
+  sda_pin: "4"
 
 <<: !include common.yaml
diff --git a/tests/components/m5stack_4relay/test.rp2040-ard.yaml b/tests/components/m5stack_4relay/test.rp2040-ard.yaml
index b7c4a7c87b..738a01ddbc 100644
--- a/tests/components/m5stack_4relay/test.rp2040-ard.yaml
+++ b/tests/components/m5stack_4relay/test.rp2040-ard.yaml
@@ -1,5 +1,5 @@
 substitutions:
-  scl_pin: 5
-  sda_pin: 4
+  scl_pin: "5"
+  sda_pin: "4"
 
 <<: !include common.yaml
diff --git a/tests/components/tca9548a/test.esp32-ard.yaml b/tests/components/tca9548a/test.esp32-ard.yaml
index 7edb83c821..fd40d339a5 100644
--- a/tests/components/tca9548a/test.esp32-ard.yaml
+++ b/tests/components/tca9548a/test.esp32-ard.yaml
@@ -1,7 +1,7 @@
 i2c:
   - id: i2c_tca9548a
-    scl: 16
-    sda: 17
+    scl: "16"
+    sda: "17"
 
 tca9548a:
   - id: multiplex0