Pulp

Add test to content promotion

Do the following:

1. Create a repository that has at least one repository version.
2. Create a publisher, and publication.
3. Create 2 distributions - using the same publication. Those distributions will have different base_path.
4. Assert that distributions have the same publication.
5. Select a content unit. Download that content unit from Pulp using the two different distributions. Assert that content unit has the same checksum when fetched from different distributions.

https://pulp.plan.io/issues/4186 closes #4186

Add test to content promotion

Do the following:

1. Create a repository that has at least one repository version.
2. Create a publisher, and publication.
3. Create 2 distributions - using the same publication. Those distributions will have different base_path.
4. Assert that distributions have the same publication.
5. Select a content unit. Download that content unit from Pulp using the two different distributions. Assert that content unit has the same checksum when fetched from different distributions.

https://pulp.plan.io/issues/4186 closes #4186