This is a madantory field that specifies the deployment type of the
image where this test case can be executed.

The commit adds the image-deployment field for each test case, and it
currently can be a list with the following values: APT, OSTree, Any.

This commit also updates the tests files.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

This commit renames the image-type field to image-variant
in the test cases files.

It also updates the parser, renderer code, test_case template
and unittests files in order to use the new name.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

This commit makes sure that the parser considers the git-repos field
mandatory for automated tests.

It also updates one test file with a new test definition using
git-repos.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

This will allow to show the specific branch that needs to be used
during cloning the tests scripts repository in the test cases
pages.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

Generate new tests files with the recent format changes.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

This commit improves the modules macro to avoid redundant information
in the test cases using such a macro.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

The new install:git-repos directive in the test case YAML files
will allow to clone the tests scripts in order to integrate the
test cases into LAVA.

This commit adapts the renderer to properly generate test case pages
with this new directive.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

This commit applies several changes in order to turn the
renderer code into a proper python module and command that
can be easily installed using the setuptools module.

Main changes:
- Main executable is named atc
- Use setuptools to install renderer executable
- Improve tests so they can be easily executed by packages
- Update README instructions

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>