Start writing scenarios for voicemail service 1.1
fix sentence errors in voicemail scenarios
refactor extract_find_parameters
add get and list in voicemail
refactor tests in device service
add missing assertion in voicemail test
rename feature for voicemail tests
GET does not return a location
add ordering and direction validation on extract_find_parameters
refactor actions that use extract_find_parameters
rephrase error messages to make them more clear
fix voicemail scenario with erroneous data
fix device scenario with erroneous data
Merge branch '4684_voicemail_list'

* 4684_voicemail_list:
  fix device scenario with erroneous data
  fix voicemail scenario with erroneous data
  rephrase error messages to make them more clear
  refactor actions that use extract_find_parameters
  add ordering and direction validation on extract_find_parameters
  GET does not return a location
  rename feature for voicemail tests
  add missing assertion in voicemail test
  refactor tests in device service
  add get and list in voicemail
  refactor extract_find_parameters
  fix sentence errors in voicemail scenarios
  Start writing scenarios for voicemail service 1.1
remove id from device ordering, never used
add voicemail package to setup.py
add scenarios for deleting a voicemail
add route for deleting a voicemail
add creation voicemail
fix error messages sent by restapi