fix: marshal yaml with inline tag

examples/uitest/demo_weixin_live.yaml

@@ -0,0 +1,49 @@
+config:
+    name: 通过 feed 卡片进入微信直播间
+teststeps:
+    - name: 启动微信
+      ios:
+        actions:
+            - method: home
+            - method: app_terminate
+              params: com.tencent.xin
+            - method: swipe_to_tap_app
+              params: 微信
+              max_retry_times: 5
+      validate:
+        - check: ui_label
+          assert: exists
+          expect: 通讯录
+          msg: 微信启动失败，「通讯录」不存在
+    - name: 进入直播页
+      ios:
+        actions:
+            - method: tap
+              params: 发现
+            - method: tap_ocr
+              params: 视频号
+    - name: 处理青少年弹窗
+      ios:
+        actions:
+            - method: tap_ocr
+              params: 我知道了
+              ignore_NotFoundError: true
+    - name: 在推荐页上划，直到出现「轻触进入直播间」
+      ios:
+        actions:
+            - method: swipe_to_tap_text
+              params: 轻触进入直播间
+              max_retry_times: 10
+    - name: 向上滑动，等待 10s
+      ios:
+        actions:
+            - method: swipe
+              params: up
+            - method: sleep
+              params: 10
+            - method: screenshot
+            - method: swipe
+              params: up
+            - method: sleep
+              params: 10
+            - method: screenshot

hrp/step_ios_ui.go

@@ -23,9 +23,9 @@ type WDADevice struct {
 }
 
 type IOSStep struct {
-	WDADevice
-	MobileAction
-	Actions []MobileAction `json:"actions,omitempty" yaml:"actions,omitempty"`
+	WDADevice    `yaml:",inline"` // inline refers to https://pkg.go.dev/gopkg.in/yaml.v3#Marshal
+	MobileAction `yaml:",inline"`
+	Actions      []MobileAction `json:"actions,omitempty" yaml:"actions,omitempty"`
 }
 
 // StepIOS implements IStep interface.