add missing unittests for agent_dao
add missing unit tests for agent_status_dao
add missing unit tests in extensions_dao
add missing unit tests to asterisk_conf_dao
add unit tests for callfilter_dao.does_secretary_filter_boss
add unit tests for checking transaction rollbacks
move test dependencies into common unit
add unit tests for callfilter_dao.get_secretaries_id_by_context
add unit tests for callfilter_dao.get
add unit tests for callfilter_dao.get_by_name
add newlines to separate preconditions - test - assertions
Merge branch 'test_coverage'