test: 更新单元测试

Author: ArgoZhang

test/UnitTest/Services/VideoDeviceTest.cs

@@ -26,6 +26,7 @@ public async Task GetDevices_Ok()
     public async Task Open_Ok()
     {
         Context.JSInterop.Setup<string?>("getPreviewUrl").SetResult("blob:https://test-preview");
+        Context.JSInterop.Setup<bool>("open", _ => true).SetResult(true);
 
         var service = Context.Services.GetRequiredService<IVideoDevice>();
         var options = new MediaTrackConstraints()
@@ -36,7 +37,9 @@ public async Task Open_Ok()
             Width = 480,
             VideoSelector = ".bb-video"
         };
-        await service.Open(options);
+        var open = await service.Open(options);
+        Assert.True(open);
+
         await service.Close(".bb-video");
 
         Assert.Equal("test-device-id", options.DeviceId);