updated template tests with factory
removed create_template fn
small update in ddt test
seven negative tests
Subnet UI: Added boundary tests for subnet, converted to factory and associate domain to subnet testcase
subnet UI: Added docstrings to configure_subnet & fix the FILTER constants dictionary
Add headless UI target to Makefile

This target allows run the UI tests using xvfb-run which allows run the
UI tests without having browser windows popping up and also run on
machines with no display
Merge pull request #1065 from elyezer/headless-ui-target

Add headless UI target to Makefile
Merge pull request #1058 from sghai/template

Boundary tests for templates
Merge pull request #1057 from kbidarkar/boundary-subnet-tests

Subnet UI: Added boundary tests for subnet, converted to factory...
Add test targeting bugzilla bug 1116043

By default, the API client makes calls to the Foreman API with a content-type of
application/json. BZ bug 1116043 describes an issue that occurs if the
content-type if text/plain. Add a test which directly targets this bug.
Improve API tests that make POST requests

There are API tests that issue HTTP POST requests and check the status code
returned by those HTTP requests. However, there are not tests which check
whether the just-created entities actually exist, nor whether their attributes
are correct. Add tests of this kind.
foreman-env UI: Added many new boundary tests and converted to factory
Merge pull request #1064 from Ichimonji10/api-tests

Improve API tests that make POST requests
added boundary tests for media
resolved travis complaint
Merge pull request #1060 from Ichimonji10/bugzilla

Add test targeting bugzilla bug 1116043
Merge pull request #1067 from sghai/media

Boundary tests for media
Merge pull request #1066 from kbidarkar/env-boundary-tests

foreman-env UI: Added many new boundary tests and converted to factory
Fix documentation-related issues

* Add a missing package to `requirements-optional.txt`
* Add a formerly undocumented module to the docs
* Properly designate several code blocks
* Fix a broken class reference