Fixes of message format market history API tests
MR contains fixes of market history API tests from message_format group. Following changes have been done:
- correction of asserts that were checking length of dict (which was always the same in responses). Now asserts check length of arrays inside dictionary.
- removal of execution of one tests which was generating empty response for 5 million instance
- adding matching limit orders to market in two tests to fill
ticker
andvolume
(previously responses were empty)