Fixing testtsdb.py unit test

[ajkumarnv]

Some tests for testtsdb.py are failing occasionally as we are comparing the mock_urlopen call args against a string . json.dumps behavior is sometimes unpredictable so string comparison at times fails. Changed to code the do json.load from the args and compare it against the list rather than string

[ajkumarnv]

Some tests for testtsdb.py are failing occasionally as we are comparing the mock_urlopen call args against a string . json.dumps behavior is sometimes unpredictable so string comparison at times fails. Changed to code the do json.load from the args and compare it against the list rather than string

[coveralls]

Coverage remained the same at 24.667% when pulling 404ef10 on ajkumarnv:master into f2bece4 on python-diamond:master.

[coveralls]

Coverage remained the same at 24.667% when pulling 404ef10 on ajkumarnv:master into f2bece4 on python-diamond:master.