breaking some lines
#119 adds test to #fetch_images default behavior
#119 moving things around
#119 a more appropriate name for the test
#119 empty test cases not to forget
#119 adds the implementation to cover :images || :filename
#119 when :image is empty, fetches from :filename
#119 when :filename is nil, fetch image from :body
#119 simplifies test data a bit
#119 when :filename is empty, fetch from :body
#119 removes duplicated test case
#119 removes another duplicated test case
#119 worst case scenario
#119 when fetching image from body, it should fetch the first one
dinamically sets the db password for import test
dinamically sets the db user for import test
moves user/pass assignment to setup
#119 breakes fetch_images in smaller methods