Http2Adapter Test error

[350054665]

test("Http2 Test", () async {
  var dio = Dio()
  ..options.baseUrl = "https://www.ustc.edu.cn/"

// ;
..httpClientAdapter = Http2Adapter(ConnectionManager(idleTimeout: 5000));

Response<String> response;
response = await dio.get("2062/list.htm");
print(response.data);
expect(response.statusCode, 200);
});

TimeoutException after 0:00:30.000000: Test timed out after 30 seconds

Do not add Http2Adapter， is OK.

[hongyiweiwu]

#760

[stale]

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