[conformal/btcjson] d34146: Add a test that was missed.

[John C. Vernaleo]

  Branch: refs/heads/master
  Home:   https://github.com/conformal/btcjson
  Commit: d341468b872d76b16996ad8eac33dd821348fb39
      
https://github.com/conformal/btcjson/commit/d341468b872d76b16996ad8eac33dd821348fb39
  Author: John C. Vernaleo <j...@conformal.com>
  Date:   2013-11-12 (Tue, 12 Nov 2013)

  Changed paths:
    M jsoncmd_test.go
    M test_coverage.txt

  Log Message:
  -----------
  Add a test that was missed.