Constant DEVICE_CONNECT_RESPONSE_JSON 

pub const DEVICE_CONNECT_RESPONSE_JSON: &str = "{\n  \"jsonrpc\": \"2.0\",\n  \"id\": \"device-connect-1\",\n  \"result\": {\n    \"id\": \"mock-device-1\",\n    \"name\": \"Mock Device\",\n    \"platform\": {\n      \"kind\": \"mock\"\n    },\n    \"osVersion\": \"1.0\",\n    \"connected\": true\n  }\n}\n";

Canonical device.connect response fixture.