Add tests

tests/components/esp32_ble_server/common.yaml

@@ -1,3 +1,29 @@
 esp32_ble_server:
   id: ble
   manufacturer_data: [0x72, 0x4, 0x00, 0x23]
+  manufacturer: ESPHome
+  model: Test
+  services:
+    - uuid: 2a24b789-7aab-4535-af3e-ee76a35cc42d
+      num_handles: 14
+      advertise: false
+      characteristics:
+        - uuid: cad48e28-7fbe-41cf-bae9-d77a6c233423
+          properties:
+            - read
+          value: [0, 1, 2]
+    - uuid: 2a24b789-7a1b-4535-af3e-ee76a35cc42d
+      advertise: false
+      characteristics:
+        - id: test_write_characteristic
+          uuid: 2a24b789-7a1b-4535-af3e-ee76a35cc12d
+          properties:
+            - read
+            - write
+          on_write:
+            then:
+              - lambda: |-
+                  ESP_LOGD("BLE", "Received: %s", x.c_str());
+              - ble_server.characteristic_set_value:
+                  id: test_write_characteristic
+                  value: x