---
test case: Both interface and key parameter are present
in:
  interface: "127.0.0.1:10051"
  ip: "127.0.0.1"
out:
  return: "SUCCEED"
---
test case: Only interface is present
in:
  interface: "127.0.0.1:10051"
  ip: ""
out:
  return: "SUCCEED"
---
test case: Only key parameter is present
in:
  interface: ""
  ip: "127.0.0.1"
out:
  return: "SUCCEED"
---
test case: Both interface and key parameter are missing
in:
  interface: ""
  ip: ""
out:
  return: "SYSINFO_RET_FAIL"
...