![content-type" gets added automatically after getting error like -> [DioErrorType.DEFAULT]: type 'int' is not a subtype of type 'String' of 'value' · Issue #255 · cfug/dio · GitHub content-type" gets added automatically after getting error like -> [DioErrorType.DEFAULT]: type 'int' is not a subtype of type 'String' of 'value' · Issue #255 · cfug/dio · GitHub](https://user-images.githubusercontent.com/16624336/56333891-9fd3aa00-61b3-11e9-9b42-c0ae3c3a51ed.png)
content-type" gets added automatically after getting error like -> [DioErrorType.DEFAULT]: type 'int' is not a subtype of type 'String' of 'value' · Issue #255 · cfug/dio · GitHub
![Simulating HTTP request/response workflow for effective testing in Dart/ Flutter via http-mock-adapter - DEV Community Simulating HTTP request/response workflow for effective testing in Dart/ Flutter via http-mock-adapter - DEV Community](https://res.cloudinary.com/practicaldev/image/fetch/s--6qyFwsDl--/c_limit%2Cf_auto%2Cfl_progressive%2Cq_auto%2Cw_880/https://dev-to-uploads.s3.amazonaws.com/i/m3022zvgmufx2771g67j.png)
Simulating HTTP request/response workflow for effective testing in Dart/ Flutter via http-mock-adapter - DEV Community
![Basic and advanced networking in Dart and Flutter — the Tide way. Part 3: HTTP client and request interceptors with dio. Basic. | by Anna (Domashych) Leushchenko 👩💻💙📱🇺🇦 | Tide Engineering Team | Medium Basic and advanced networking in Dart and Flutter — the Tide way. Part 3: HTTP client and request interceptors with dio. Basic. | by Anna (Domashych) Leushchenko 👩💻💙📱🇺🇦 | Tide Engineering Team | Medium](https://miro.medium.com/v2/resize:fit:1200/1*gEdeTN6kwL1fFf2h-rPtNA.png)