fix: improve channel test failure details UX (#4988)

* fix: improve channel test failure details UX

* fix: add accessible label to channel models region

web/default/src/i18n/locales/zh.json

@@ -2363,6 +2363,7 @@
     "Model performance metrics": "模型性能指标",
     "Model Price": "模型价格",
     "Model Price Not Configured": "模型价格未配置",
+    "Model price is not configured. Please complete model pricing in settings.": "模型价格未配置，请前往设置补充模型价格。",
     "Model prices": "模型价格",
     "Model prices reset successfully": "模型价格重置成功",
     "Model Pricing": "模型定价",
@@ -3512,6 +3513,7 @@
     "Select all (filtered)": "全选（筛选结果）",
     "Select all models": "选择所有模型",
     "Select All Visible": "全选当前",
+    "Select model {{model}}": "选择模型 {{model}}",
     "Select an operation mode and enter the amount": "选择操作模式并输入金额",
     "Select announcement type": "选择公告类型",
     "Select at least one field to overwrite.": "请选择至少一个要覆盖的字段。",
@@ -3849,6 +3851,8 @@
     "Templates appended": "模板已追加",
     "Tencent": "腾讯",
     "Termination requested": "终止请求",
+    "Test": "测试",
+    "Test {{count}} selected": "测试 {{count}} 个已选择项",
     "Test All Channels": "测试所有渠道",
     "Test Channel Connection": "测试渠道连接",
     "Test Connection": "测试连接",
@@ -3859,6 +3863,7 @@
     "Test Mode": "测试模式",
     "Test Model": "测试模型",
     "Test models and prompts from the browser": "在浏览器中测试模型和提示词",
+    "Test selected models": "测试所选模型",
     "Testing all enabled channels started. Please refresh to see results.": "测试所有启用的通道已开始。请刷新以查看结果。",
     "Testing...": "测试中...",
     "Text": "文本",