implement header check steps
implement check for count items (in case of array)

for example if you are testing a list ressource
implement some rudiment json part test

in case you are testing a list ressource
Merge branch 'json_items_check'

Conflicts:
	Behat/CommonContexts/WebApiContext.php
Merge branch 'response_header_check'

Conflicts:
	Behat/CommonContexts/WebApiContext.php