[CI] Consolidate some tests (C) (#8186)

tests/components/copy/test.esp8266-ard.yaml

@@ -1,23 +1,5 @@
-output:
-  - platform: esp8266_pwm
-    id: fan_output_1
-    pin: 12
+substitutions:
+  pwm_platform: esp8266_pwm
+  pin: GPIO12
 
-fan:
-  - platform: speed
-    id: fan_speed
-    output: fan_output_1
-  - platform: copy
-    source_id: fan_speed
-    name: Fan Speed Copy
-
-select:
-  - platform: template
-    id: test_select
-    options:
-      - one
-      - two
-    optimistic: true
-  - platform: copy
-    source_id: test_select
-    name: Test Select Copy
+<<: !include common.yaml