test configs was changed according to v.0.2.9 syntax

tests/test-ext-esp32.yaml

@@ -88,7 +88,7 @@ climate:
       name: $upper_devicename Defrost State
       id: ${devicename}_defrost_state
       internal: false
-    invertor_power:
+    inverter_power:
       name: $upper_devicename Invertor Power
       id: ${devicename}_invertor_power
       internal: false

tests/test-ext-for-engineer.yaml

@@ -107,7 +107,7 @@ climate:
       name: $upper_devicename Defrost State
       id: ${devicename}_defrost_state
       internal: false
-    invertor_power:
+    inverter_power:
       name: $upper_devicename Invertor Power
       id: ${devicename}_invertor_power
       internal: false

tests/test-local-airflow-dir.yaml

@@ -1,7 +1,7 @@
 external_components:
   - source:
       type: local
-      path: ..\components
+      path: ../components
 
 substitutions:
   devicename: test_local_airflow_dir

tests/test-minimal.yaml

@@ -1,7 +1,7 @@
 external_components:
   - source:
       type: local
-      path: ..\components
+      path: ../components
   #- source: github://GrKoR/esphome_aux_ac_component@dev
     #components: [ aux_ac ]
     #refresh: 0s